Synonyms of the word

retard

• n. Retardation; delay.
• n. (slang, offensive, dated) A person with mental retardation.
• n. (slang, offensive) A stupid person, or one who is slow to learn.
• v. (transitive) To keep delaying; to continue to hinder; to prevent from progress; to render more slow in…
• v. (transitive) To put off; to postpone.
• v. (transitive, obsolete) To be slow or dilatory to perform (something).
• v. (intransitive) To decelerate; to slow down.
• v. (intransitive, obsolete) To stay back.

alter

• v. (transitive) To change the form or structure of.
• v. (intransitive) To become different.
• v. (transitive) To tailor clothes to make them fit.
• v. (transitive) To castrate, neuter or spay (a dog or other animal).
• v. (transitive, obsolete) To agitate; to affect mentally.

be

• v. (intransitive, now literary) To exist; to have real existence.
• v. (with there, or dialectally it, as dummy subject) To exist.
• v. (intransitive) To occupy a place.
• v. (intransitive) To occur, to take place.
• v. (intransitive, in perfect tenses, without predicate) elliptical form of "be here", "go to and return from"…
• v. (transitive, copulative) Used to indicate that the subject and object are the same.
• v. (transitive, copulative, mathematics) Used to indicate that the values on either side of an equation are…
• v. (transitive, copulative) Used to indicate that the subject plays the role of the predicate nominal.
• v. (transitive, copulative) Used to connect a noun to an adjective that describes it.
• v. (transitive, copulative) Used to indicate that the subject has the qualities described by a noun or noun…
• v. (transitive, auxiliary) Used to form the passive voice.
• v. (transitive, auxiliary) Used to form the continuous forms of various tenses.
• v. (archaic, auxiliary) Used to form the perfect aspect with certain intransitive verbs, most of which indicate…
• v. (transitive, auxiliary) Used to form future tenses, especially the future periphrastic.
• v. (transitive, copulative) Used to link a subject to a measurement.
• v. (transitive, copulative, with a cardinal numeral) Used to state the age of a subject in years.
• v. (with a dummy subject it) Used to indicate the time of day.
• v. (With since) Used to indicate passage of time since the occurrence of an event.
• v. (often impersonal, with it as a dummy subject) Used to indicate weather, air quality, or the like.
• v. (dynamic/lexical "be", especially in progressive tenses, conjugated non-suppletively in the present tense,…
• v. (African American Vernacular, Caribbean, auxiliary, not conjugated) To tend to do, often do; marks the…

change

• v. (intransitive) To become something different.
• v. (transitive, ergative) To make something into something different.
• v. (transitive) To replace.
• v. (intransitive) To replace one's clothing.
• v. (intransitive) To transfer to another vehicle (train, bus, etc.).
• v. (archaic) To exchange.
• v. (transitive) To change hand while riding (a horse).
• n. (countable) The process of becoming different.
• n. (uncountable) Small denominations of money given in exchange for a larger denomination.
• n. (countable) A replacement, e.g. a change of clothes.
• n. (uncountable) Money given back when a customer hands over more than the exact price of an item.
• n. (uncountable) Coins (as opposed to paper money).
• n. (countable) A transfer between vehicles.
• n. (baseball) A change-up pitch.
• n. (campanology) Any order in which a number of bells are struck, other than that of the diatonic scale.
• n. (dated) A place where merchants and others meet to transact business; an exchange.
• n. (Scotland, dated) A public house; an alehouse.

changeling

• n. (mythology) In British, Irish and Scandinavian mythology, an infant of a fairy, sprite or troll that the…
• n. (informal, rare) An infant secretly exchanged with another infant; swapling.
• n. (science fiction and fantasy) An organism which can change shape to mimic others.
• n. (obsolete) A simpleton; an idiot.
• n. (obsolete) One apt to change; a waverer.

check

• n. (chess) A situation in which the king is directly threatened by an opposing piece.
• n. An inspection or examination.
• n. A control; a limit or stop.
• n. (US) A mark (especially a checkmark: ✓) used as an indicator, equivalent to a tick (UK).
• n. (US) An order to a bank to pay money to a named person or entity; a cheque (UK, Canada).
• n. (US) A bill, particularly in a restaurant.
• n. (contact sports) A maneuver performed by a player to take another player out of the play.
• n. A token used instead of cash in gaming machines.
• n. A lengthwise separation through the growth rings in wood.
• n. A mark, certificate, or token, by which, errors may be prevented, or a thing or person may be identified.
• n. (falconry) The forsaking by a hawk of its proper game to follow other birds.
• n. A small chink or crack.
• v. To inspect; to examine.
• v. To verify the accuracy of a text or translation, usually making some corrections (proofread) or many (copyedit).
• v. (US, often used with "off") To mark items on a list (with a checkmark or by crossing them out) that have…
• v. To control, limit, or halt.
• v. To verify or compare with a source of information.
• v. To leave in safekeeping.
• v. To leave with a shipping agent for shipping.
• v. (street basketball) To pass or bounce the ball to an opponent from behind the three-point line and have…
• v. (contact sports) To hit another player with one's body.
• v. (poker) To remain in a hand without betting. Only legal if no one has yet bet.
• v. (chess) To make a move which puts an adversary's piece, especially the king, in check; to put in check.
• v. To chide, rebuke, or reprove.
• v. (nautical) To slack or ease off, as a brace which is too stiffly extended.
• v. To crack or gape open, as wood in drying; or to crack in small checks, as varnish, paint, etc.
• v. To make checks or chinks in; to cause to crack.
• v. To make a stop; to pause; with at.
• v. (obsolete) To clash or interfere.
• v. To act as a curb or restraint.
• v. (falconry) To turn, when in pursuit of proper game, and fly after other birds.
• n. (textiles, usually pluralized) A pattern made up of a grid of squares of alternating colors; a checkered…

cretin

• n. (pathology) A person who fails to develop mentally and physically due to a congenital hypothyroidism.
• n. (pejorative) An idiot.

decelerate

• v. to reduce the velocity of something.
• v. to reduce the rate of advancement of something, such as a disease.
• v. (intransitive) to go slower.

decrease

• v. (intransitive) Of a quantity, to become smaller.
• v. (transitive) To make (a quantity) smaller.
• n. An amount by which a quantity is decreased.
• n. (knitting) A reduction in the number of stitches, usually accomplished by suspending the stitch to be…

delay

• n. A period of time before an event occurs; the act of delaying; procrastination; lingering inactivity.
• v. To put off until a later time; to defer.
• v. To retard; to stop, detain, or hinder, for a time.
• v. (obsolete) To allay; to temper.
• v. (obsolete) To dilute, temper.
• v. (obsolete) To assuage, quench, allay.

diminish

• v. (transitive) To make smaller.
• v. (intransitive) To become smaller.
• v. To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken; to nerf (in gaming).
• v. (intransitive) To taper.
• v. (intransitive) To disappear gradually.
• v. To take away; to subtract.

fall

• n. The act of moving to a lower position under the effect of gravity.
• n. A reduction in quantity, pitch, etc.
• n. (chiefly Canada, US, obsolete elsewhere) The time of the year when the leaves typically fall from the…
• n. A loss of greatness or status.
• n. (sports) A crucial event or circumstance.
• n. A hairpiece for women consisting of long strands of hair on a woven backing, intended primarily to cover…
• n. (informal, US) Blame or punishment for a failure or misdeed.
• n. The part of the rope of a tackle to which the power is applied in hoisting (usu. plural).
• n. See falls.
• n. An old Scots unit of measure equal to six ells.
• v. (heading, intransitive) To move downwards.
• v. (transitive) To be moved downwards.
• v. (intransitive) To happen, to change negatively.
• v. (transitive) To be allotted to; to arrive through chance, fate, or inheritance.
• v. (transitive, obsolete) To diminish; to lessen or lower.
• v. (transitive, obsolete) To bring forth.
• v. (intransitive, obsolete) To issue forth into life; to be brought forth; said of the young of certain animals.
• v. (intransitive) To descend in character or reputation; to become degraded; to sink into vice, error, or…
• v. (intransitive) To become ensnared or entrapped; to be worse off than before.
• v. (intransitive) To assume a look of shame or disappointment; to become or appear dejected; said of the…
• v. (intransitive) To happen; to come to pass; to chance or light (upon).
• v. (intransitive) To begin with haste, ardour, or vehemence; to rush or hurry.
• v. (intransitive) To be dropped or uttered carelessly.

half-wit

• n. A stupid or inept person.

idiot

• n. (pejorative) A person of low general intelligence.
• n. (obsolete, medicine, psychology) A person of the lowest intellectual standing, a person who lacks the…

imbecile

• n. (obsolete) A person with limited mental capacity who can perform tasks and think only like a young child,…
• n. (pejorative) A fool, an idiot.
• adj. (dated) Destitute of strength, whether of body or mind; feeble; impotent; especially, mentally weak.

lessen

• v. (transitive) To make less; to diminish; to reduce.
• v. (intransitive) To become less.

modify

• v. (transitive) To make partial changes to.
• v. (intransitive) To be or become modified.

moron

• n. (informal, derogatory) A stupid person; an idiot; a fool.
• n. (dated, originally) A person of borderline intelligence in the former classification of mental retardation,…

simple

• adj. Uncomplicated; taken by itself, with nothing added.
• adj. Without ornamentation; plain.
• adj. Free from duplicity; guileless, innocent, straightforward.
• adj. Undistinguished in social condition; of no special rank.
• adj. (now rare) Trivial; insignificant.
• adj. (now colloquial) Feeble-minded; foolish.
• adj. (heading, technical) Structurally uncomplicated.
• adj. (obsolete) Mere; not other than; being only.
• n. (medicine) A preparation made from one plant, as opposed to something made from more than one plant.
• n. (obsolete) A term for a physician, derived from the medicinal term above.
• n. (logic) A simple or atomic proposition.
• n. (obsolete) Something not mixed or compounded.
• n. (weaving) A drawloom.
• n. (weaving) Part of the apparatus for raising the heddles of a drawloom.
• n. (Roman Catholicism) A feast which is not a double or a semidouble.
• v. (transitive, intransitive, archaic) To gather simples, i.e., medicinal herbs.

simpleton

• n. (pejorative) A simple person lacking common sense.

slow

• adj. Taking a long time to move or go a short distance, or to perform an action; not quick in motion; proceeding…
• adj. Not happening in a short time; spread over a comparatively long time.
• adj. Of reduced intellectual capacity; not quick to comprehend.
• adj. Not hasty; not precipitate; lacking in promptness; acting with deliberation.
• adj. (of a clock or the like) Behind in time; indicating a time earlier than the true time.
• adj. Lacking spirit; deficient in liveliness or briskness.
• adj. (of a period of time) Not busy; lacking activity.
• v. (transitive) To make (something) run, move, etc. less quickly; to reduce the speed of.
• v. (transitive) To keep from going quickly; to hinder the progress of.
• v. (intransitive) To become slow; to slacken in speed; to decelerate.
• n. Someone who is slow; a sluggard.
• n. (music) A slow song.
• adv. Slowly.