Synonyms of the word

serious

• adj. Without humor or expression of happiness; grave in manner or disposition; earnest; solemn.
• adj. Important; weighty; not insignificant.
• adj. Really intending what is said; in earnest; not jocular or deceiving.

critical

• adj. Inclined to find fault or criticize; fastidious; captious; censorious; exacting.
• adj. Pertaining to, or indicating, a crisis or turning point.
• adj. Extremely important.
• adj. Relating to criticism or careful analysis, such as literary or film criticism.
• adj. (medicine) Of a patient condition involving unstable vital signs and a prognosis that predicts the condition…
• adj. Likely to go out of control if disturbed, that is, opposite of stable.
• adj. Of the point (in temperature, reagent concentration etc.) where a nuclear or chemical reaction becomes…
• n. A critical value, factor, etc.
• n. In breakdancing, a kind of airflare move in which the dancer hops from one hand to the other.

dangerous

• adj. Full of danger.
• adj. Causing danger; ready to do harm or injury.
• adj. (colloquial, dated) In a condition of danger, as from illness; threatened with death.
• adj. (obsolete) Hard to suit; difficult to please.
• adj. (obsolete) Reserved; not affable.

difficult

• adj. Hard, not easy, requiring much effort.
• adj. (often of a person, or a horse, etc) Hard to manage, uncooperative, troublesome.
• adj. (obsolete) Unable or unwilling.
• v. (obsolete, transitive) To make difficult; to impede; to perplex.

earnest

• n. Gravity; serious purpose; earnestness.
• n. Seriousness; reality; actuality (as opposed to joking or pretence).
• v. (transitive) To be serious with; use in earnest.
• adj. Serious in speech or action; eager; urgent; importunate; pressing; instant.
• adj. (with a positive sense) Focused in the pursuit of an objective; eager to obtain or do.
• adj. Intent; fixed closely.
• adj. Possessing or characterised by seriousness; strongly bent; intent.
• adj. Strenuous; diligent.
• adj. Serious; weighty; of a serious, weighty, or important nature; not trifling or feigned; important.
• n. A sum of money paid in advance as a deposit; hence, a pledge, a guarantee, an indication of something…
• v. (archaic) second-person singular simple present form of earn.

good

• adj. (of people).
• adj. (of capabilities).
• adj. (of properties and qualities).
• adj. (colloquial) With "and", extremely.
• adj. Holy (especially when capitalized).
• adj. (of quantities).
• interj. That is good; an elliptical exclamation of satisfaction or commendation.
• adv. (nonstandard) Well; satisfactorily or thoroughly.
• n. (uncountable) The forces or behaviors that are the enemy of evil. Usually consists of helping others and…
• n. (countable) A result that is positive in the view of the speaker.
• n. (uncountable) The abstract instantiation of goodness; that which possesses desirable qualities, promotes…
• n. (countable, usually in the plural) An item of merchandise.
• v. (intransitive, now chiefly dialectal) To thrive; fatten; prosper; improve.
• v. (transitive, now chiefly dialectal) To make good; turn to good; improve.
• v. (intransitive, now chiefly dialectal) To make improvements or repairs.
• v. (intransitive, now chiefly dialectal) To benefit; gain.
• v. (transitive, now chiefly dialectal) To do good to (someone); benefit; cause to improve or gain.
• v. (transitive, now chiefly dialectal) To satisfy; indulge; gratify.
• v. (reflexive, now chiefly dialectal) To flatter; congratulate oneself; anticipate.
• v. (transitive, now chiefly dialectal, Scotland) To furnish with dung; manure; fatten with manure; fertilise.

grave

• n. An excavation in the earth as a place of burial.
• n. Any place of interment; a tomb; a sepulcher.
• n. death, destruction.
• v. (transitive, obsolete) To dig.
• v. (transitive, obsolete) To carve or cut, as letters or figures, on some hard substance; to engrave.
• v. (transitive, obsolete) To carve out or give shape to, by cutting with a chisel; to sculpture.
• v. (transitive, obsolete) To impress deeply (on the mind); to fix indelibly.
• v. (transitive, obsolete) To entomb; to bury.
• v. (transitive, obsolete, nautical) To clean, as a vessel's bottom, of barnacles, grass, etc., and pay it…
• v. (intransitive, obsolete) To write or delineate on hard substances, by means of incised lines; to practice…
• adj. (obsolete) Influential, important; authoritative.
• adj. Characterised by a dignified sense of seriousness; not cheerful, sombre.
• adj. Low in pitch, tone etc.
• adj. Serious, in a negative sense; important, formidable.
• n. A written accent used in French, Italian, and other languages. è is an e with a grave accent.

grievous

• adj. Causing grief, pain or sorrow.
• adj. Serious, grave, dire or dangerous.

hard

• adj. (of material or fluid) Having a severe property; presenting difficulty.
• adj. (personal or social) Having a severe property; presenting difficulty.
• adj. Unquestionable.
• adj. (of a road intersection) Having a comparatively larger or a ninety-degree angle.
• adj. (slang, vulgar, of a male) Sexually aroused.
• adj. (bodybuilding) Having muscles that are tightened as a result of intense, regular exercise.
• adj. (phonetics, not comparable).
• adj. (art) Having a severe property; presenting a barrier to enjoyment.
• adj. (not comparable) In the form of a hard copy.
• adv. (manner) With much force or effort.
• adv. (manner) With difficulty.
• adv. (obsolete) So as to raise difficulties.
• adv. (manner) Compactly.
• adv. (now archaic) Near, close.
• n. (countable, nautical) A firm or paved beach or slope convenient for hauling vessels out of the water.
• n. (uncountable, drugs, colloquial, slang) crack cocaine.

important

• adj. Having relevant and crucial value.

intellectual

• adj. Belonging to, or performed by, the intellect; mental or cognitive; as, intellectual powers, activities,…
• adj. Endowed with intellect; having the power of understanding; having capacity for the higher forms of knowledge…
• adj. Suitable for exercising the intellect; formed by, and existing for, the intellect alone; perceived by…
• adj. Relating to the understanding; treating of the mind; as, intellectual philosophy, sometimes called "mental"…
• adj. (archaic, poetic) Spiritual.
• n. An intelligent, learned person, especially one who discourses about learned matters.
• n. (archaic) The intellect or understanding; mental powers or faculties.

life-threatening

• adj. Endangering the continued life of the subject.

overserious

• adj. Excessively serious.

real

• adj. True, genuine, not merely nominal or apparent.
• adj. Genuine, not artificial, counterfeit, or fake.
• adj. Genuine, unfeigned, sincere.
• adj. Actually being, existing, or occurring; not fictitious or imaginary.
• adj. That has objective, physical existence.
• adj. (economics) Having been adjusted to remove the effects of inflation; measured in purchasing power (contrast…
• adj. (economics) Relating to the result of the actions of rational agents; relating to neoclassical economic…
• adj. (mathematics, of a number) Being either a rational number, or the limit of a convergent infinite sequence…
• adj. (law) Relating to immovable tangible property.
• adj. Absolute, complete, utter.
• adj. (slang) Signifying meritorious qualities or actions especially as regard the enjoyment of life, prowess…
• adv. (US, colloquial) Really, very.
• n. A commodity; see realty.
• n. (grammar) One of the three genders that the common gender can be separated into in the Scandinavian languages.
• n. (mathematics) A real number.
• n. (obsolete) A realist.
• n. Former unit of currency of Spain and Spain's colonies.
• n. A coin worth one real.
• n. A unit of currency used in Portugal and its colonies from 1430 until 1911, and in Brazil from 1790 until…
• n. A coin worth one real.
• n. A unit of currency used in Brazil since 1994. Symbol: R$.
• n. A coin worth one real.

sedate

• adj. in a composed and temperate state.
• v. to tranquilize by giving a sedative; to calm; to soothe; to induce sleep.

serious-minded

• adj. solemn.

severe

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

sincere

• adj. Genuine; meaning what one says or does; heartfelt.
• adj. Meant truly or earnestly.

sober

• adj. not drunk; not intoxicated.
• adj. not given to excessive drinking of alcohol.
• adj. moderate; realistic; serious; not playful; not passionate; cool; self-controlled.
• adj. dull; not bright or colorful.
• adj. subdued; solemn; grave.
• v. (often with up) To make or become sober.
• v. (often with up) To overcome or lose a state of intoxication.

sobering

• adj. Causing more sober thought or concern.
• v. present participle of sober.

solemn

• adj. Deeply serious and somber.
• adj. Somberly impressive.
• adj. Performed with great ceremony.
• adj. Sacred.
• adj. Gloomy or sombre.

solid

• adj. An item that can be grabbed, having a texture, and usually firm. Unlike a liquid or a gas.
• adj. Large, massive.
• adj. Lacking holes or hollows; as solid gold, solid chocolate.
• adj. Strong or unyielding.
• adj. (slang) Excellent, of high quality, or reliable.
• adj. Hearty; filling.
• adj. Worthy of credit, trust, or esteem; substantial; not frivolous or fallacious.
• adj. Sound; not weakly.
• adj. (typography) Written as one word, without spaces or hyphens.
• adj. (printing, dated) Not having the lines separated by leads; not open.
• adj. (US, politics, slang) United; without division; unanimous.
• adj. Of a single color throughout.
• adj. (dated) Having all the geometrical dimensions; cubic.
• n. (chemistry) A substance in the fundamental state of matter that retains its size and shape without need…
• n. (geometry) A three-dimensional figure (as opposed to a surface, an area, or a curve).
• n. (informal) A favor.
• n. An article of clothing which is of a single color throughout.
• n. (in the plural) Food which is not liquid-based.
• adv. Solidly.
• adv. (not comparable, typography) Without spaces or hyphens.

thoughtful

• adj. Demonstrating thought or careful consideration.
• adj. Demonstrating kindness or consideration for others.

unplayful

• adj. Not playful.