crucial

/ˈkɹuː.ʃəl/adjective

So important that the outcome or future of something depends on it.

Example sentences

“Getting enough rest is crucial before a big exam.”
“Her testimony proved crucial to winning the case.”

Heavily overused in reports and emails; save it for genuine turning points. 'Critical' and 'decisive' are close synonyms.

Related words

crudeA raw material as it exists in nature, before any processing or refining.cricketAn outdoor team sport in which two sides of eleven players use a bat and ball, widely played in England and Commonwealth nations.cruiseA trip by ship or boat, usually one taken for enjoyment.crestfallenFeeling down or discouraged after something has disappointed you.crunchyMaking a crisp sound when bitten or pressed, as certain foods do when eaten.creekA small flowing body of fresh water, usually smaller than a river, though in Australia the word can describe much larger watercourses.