Synonyms of the word

crucial

• adj. Being essential or decisive for determining the outcome or future of something; extremely important.
• adj. (archaic) Cruciform or cruciate; cross-shaped.
• adj. (slang, chiefly Jamaica) Term of approval, particularly when applied to reggae music.

all-important

• adj. Very important; vital or crucial.

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.

deciding

• v. present participle of decide.

decisive

• adj. Having the power or quality of deciding a question or controversy; putting an end to contest or controversy;…
• adj. Marked by promptness and decision.

determinant

• n. A determining factor; an element that determines the nature of something.
• n. (linear algebra) The unique scalar function over square matrices which is distributive over matrix multiplication,…
• n. (biology) A substance that causes a cell to adopt a particular fate.
• adj. Serving to determine or limit; determinative.

determinative

• n. (linguistics) An ideogram used to mark semantic categories of words in logographic scripts.
• n. (grammar) A member of a class of words functioning in a noun phrase to identify or distinguish a referent…
• adj. Determining (deciding) something.

determining

• v. present participle of determine.

essential

• adj. Necessary.
• adj. Very important; of high importance.
• adj. (biology) necessary for survival but not synthesized by the organism, thus needing to be ingested.
• adj. Being in the basic form; showing its essence.
• adj. Really existing; existent.
• adj. (of a lamination of a 3-manifold) Such that each complementary region is irreducible, the boundary of…
• adj. (medicine) Idiopathic.
• n. A necessary ingredient.
• n. A fundamental ingredient.

important

• adj. Having relevant and crucial value.

life-or-death

• adj. Of critical importance to the survival of a living organism.
• adj. Having death as a possible or even likely outcome; perilous.
• adj. Of critical importance to the success of a particular endeavor.

material

• adj. Having to do with matter; consisting of matter.
• adj. Worldly, as opposed to spiritual.
• adj. (law, accounting) Significant.
• n. Matter which may be shaped or manipulated, particularly in making something.
• n. Text written for a specific purpose.
• n. A sample or specimens for study.
• n. Cloth to be made into a garment.
• n. A person who is qualified for a certain position or activity.
• n. Related data of various kinds, especially if collected as the basis for a document or book.
• n. The substance that something is made or composed of.
• v. (obsolete, transitive) To form from matter; to materialize.

pivotal

• adj. Of, relating to, or being a pivot.
• adj. Being of crucial importance; central, key.

polar

• adj. Of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole).
• adj. (space sciences) Of an orbit that passes over, or near, one of these poles.
• adj. (chemistry) Having a dipole; ionic.
• adj. (mathematics) Of a coordinate system, specifying the location of a point in a plane by using a radius…
• adj. (linguistics, of a question) Having but two possible answers, yes and no.