Synonyms of the word

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.

conclusive

• adj. Pertaining to a conclusion.
• adj. Providing an end to something; decisive.

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.

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.

deciding

• v. present participle of decide.

definite

• adj. Having distinct limits.
• adj. Free from any doubt.
• adj. Determined; resolved.
• adj. (linguistics) Designating an identified or immediately identifiable person or thing, or group of persons…
• n. (obsolete) Anything that is defined or determined.

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.

fatal

• adj. Proceeding from, or appointed by, fate or destiny.
• adj. Foreboding death or great disaster.
• adj. Causing death or destruction.
• adj. (computing) Causing a sudden end to the running of a program.
• n. A fatality; an event that leads to death.
• n. (computing) A fatal error; a failure that causes a program to terminate.

fateful

• adj. Momentous, significant, setting or sealing one’s fate.
• adj. Determined in advance by fate, fated.

important

• adj. Having relevant and crucial value.

peremptory

• adj. (law) Precluding debate or expostulation; not admitting of question or appeal; positive; absolute; decisive;…
• adj. Positive in opinion or judgment; absolutely certain, overconfident, unwilling to hear any debate or argument…
• adj. (obsolete) Firmly determined, resolute; obstinate, stubborn.
• adj. Accepting no refusal or disagreement; imperious, dictatorial.
• n. (law) A challenge to the admission of a juror, without the challenger needing to show good cause.

resolute

• adj. Firm, unyielding, determined.
• adj. (obsolete) Convinced; satisfied; sure.

unhesitating

• adj. Not hesitating; with no hesitation.