Synonyms of the word

strict

• adj. Strained; drawn close; tight.
• adj. Tense; not relaxed.
• adj. Exact; accurate; precise; rigorously nice.
• adj. Governed or governing by exact rules; observing exact rules; severe; rigorous.
• adj. Rigidly interpreted; exactly limited; confined; restricted.
• adj. (botany) Upright, or straight and narrow; — said of the shape of the plants or their flower clusters.
• adj. Severe in discipline.

abstemious

• adj. Sparing in diet; refraining from a free use of food and strong drinks; temperate; abstinent; sparing in…
• adj. Sparingly used; used with temperance or moderation.
• adj. Marked by, or spent in, abstinence.
• adj. (rare) Promotive of abstemiousness.

austere

• adj. Grim or severe in manner or appearance.
• adj. Lacking trivial decoration; not extravagant or gaudy.

blue

• adj. Of the colour blue.
• adj. (informal) Depressed, melancholic, sad.
• adj. Pale, without redness or glare; said of a flame.
• adj. (politics) Supportive of, run by (a member of), pertaining to, or dominated by a political party represented…
• adj. (astronomy) Of the higher-frequency region of the part of the electromagnetic spectrum which is relevant…
• adj. (of steak) Extra rare; left very raw and cold.
• adj. (of a dog or cat) Having a coat of fur of a slaty gray shade.
• adj. (archaic) Severe or overly strict in morals; gloomy.
• adj. (archaic, of women) literary; bluestockinged.
• adj. (particle physics) Having a color charge of blue.
• adj. (comedy) Risque or obscene.
• n. (countable and uncountable) The colour of the clear sky or the deep sea, between green and violet in the…
• n. A blue dye or pigment.
• n. Any of several processes to protect metal against rust.
• n. Blue clothing.
• n. (in the plural) A blue uniform. See blues.
• n. (slang) A member of law enforcement.
• n. The sky, literally or figuratively.
• n. The ocean; deep waters.
• n. Anything blue, especially to distinguish it from similar objects differing only in color.
• n. (snooker) One of the colour balls used in snooker, with a value of 5 points.
• n. Any of the blue-winged butterflies of the subfamily Polyommatini in the family Lycaenidae.
• n. A bluefish.
• n. (Australia, colloquial) An argument.
• n. A liquid with an intense blue colour, added to a laundry wash to prevent yellowing of white clothes.
• n. (Britain) A type of firecracker.
• n. (archaic) A pedantic woman; a bluestocking.
• n. (particle physics) One of the three color charges for quarks.
• v. (ergative) To make or become blue.
• v. (transitive, metallurgy) To treat the surface of steel so that it is passivated chemically and becomes…
• v. (transitive, laundry) To brighten by treating with blue (laundry aid).
• v. (transitive, slang) To spend (money) extravagantly; to blow.
• adj. (entertainment, informal) Pornographic or profane.

corrective

• adj. Of or pertaining to correction; serving to correct.
• adj. Qualifying; limiting.
• n. Something that corrects or counteracts something, especially an injury or disability.
• n. (obsolete) limitation; restriction.

demanding

• adj. Requiring much endurance, strength, or patience.
• v. present participle of demand.

disciplinal

• adj. relating to discipline, i.e. order and/or punishment.

disciplinary

• adj. Having to do with discipline, or with the imposition of discipline.
• adj. For the purpose of imposing punishment.
• adj. Of or relating to an academic field of study.
• n. A disciplinary action.

exact

• adj. Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor…
• adj. Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.
• adj. Precisely or definitely conceived or stated; strict.
• adj. (algebra, of a sequence of groups connected by homomorphisms) Such that the kernel of one homomorphism…
• v. (transitive) To demand and enforce the payment or performance of.
• v. (transitive) To make desirable or necessary.
• v. (transitive) To forcibly obtain or produce.
• adv. exactly.

exacting

• adj. Making excessive demands; difficult to satisfy.
• adj. (of an action, task, etc) Requiring precise accuracy, great care, effort, or attention.
• adj. (of a person or organization) Characterized by exaction.
• v. present participle of exact.

hard-and-fast

• adj. (idiomatic, of rules, etc) strictly maintained.

intolerant

• adj. Unable or indisposed to tolerate, endure or bear.
• adj. Not tolerant; close-minded about new or different ideas. indisposed to tolerate contrary opinions or beliefs;…
• n. One who is intolerant; a bigot.

invariable

• adj. Not variable; unalterable; uniform; always having the same value.
• adj. (mathematics) Constant.
• adj. (by extension, grammar, of a word, or a grammatical class) That cannot undergo inflection, conjugation…
• n. Something that does not vary; a constant.

monkish

• adj. Pertaining to, or resembling a monk or monasticism.
• adj. Tending to self-denial; ascetic.

nonindulgent

• adj. Not indulgent.

puritan

• n. (often disapproving): a puritanical person.
• adj. (often disapproving): acting or behaving according to the Puritan morals (e.g. propagating modesty), especially…

puritanic

• adj. Archaic form of puritanical.

puritanical

• adj. Of or pertaining to the Puritans, or to their doctrines and practice.
• adj. Precise in observance of legal or religious requirements; strict; overscrupulous; rigid; — often used…
• n. One who holds puritanical attitudes.

renunciant

• adj. That renounces; renouncing.
• n. A person who renounces.

renunciative

• adj. Tending to renounce.

rigid

• adj. Stiff, rather than flexible.
• adj. Fixed, rather than moving.
• adj. Rigorous and unbending.
• adj. Uncompromising.
• n. A bicycle with no suspension system.

rigorous

• adj. Showing, causing, or favoring rigour; scrupulously accurate or strict; thorough.
• adj. Severe; intense.

self-denying

• adj. Without concern for one's own advantage; selfless or self-sacrificing.

self-disciplined

• adj. Having self-discipline; in control of oneself and one's actions.

severe

• adj. Very bad or intense.
• adj. Strict or harsh.
• adj. Sober, plain in appearance, austere.

spartan

• adj. Austere, frugal, characterized by self-denial.
• adj. Resolute in the face of danger or adversity.
• adj. Lacking in decoration and luxury.

stern

• adj. Having a hardness and severity of nature or manner.
• adj. Grim and forbidding in appearance.
• n. (nautical) The rear part or after end of a ship or vessel.
• n. (figuratively) The post of management or direction.
• n. The hinder part of anything.
• n. The tail of an animal; now used only of the tail of a dog.
• n. A bird, the black tern.