Antonyms of adj crucial

3 senses of crucial

Sense 1
crucial (vs. noncrucial), important -- (of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women")

noncrucial (vs. crucial) -- (of little importance; not decisive)

Sense 2
crucial -- (having crucial relevance; "crucial to the case"; "relevant testimony")

INDIRECT (VIA material) -> immaterial -- (of no importance or relevance especially to a law case; "an objection that is immaterial after the fact")

Sense 3
all-important (prenominal), all important (predicate), crucial, essential, of the essence (predicate) -- (of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence")

INDIRECT (VIA important) -> unimportant -- (not important; "a relatively unimportant feature of the system"; "the question seems unimportant")

Similarity of adj crucial

3 senses of crucial

Sense 1
crucial (vs. noncrucial), important -- (of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women")
       => critical, decisive -- (forming or having the nature of a turning point or crisis; "a critical point in the campaign"; "the critical test")
       => life-and-death, life-or-death -- (vitally important; "a life-and-death struggle")
       => pivotal, polar -- (being of crucial importance; "a pivotal event"; "Its pivotal location has also exposed it to periodic invasions"- Henry Kissinger; "the polar events of this study"; "a polar principal")
          Also See-> critical#6; decisive#1; essential#2

Sense 2
crucial -- (having crucial relevance; "crucial to the case"; "relevant testimony")
       => material (vs. immaterial) -- (directly relevant to a matter especially a law case; "his support made a material difference"; "evidence material to the issue at hand"; "facts likely to influence the judgment are called material facts"; "a material witness")

Sense 3
all-important (prenominal), all important (predicate), crucial, essential, of the essence (predicate) -- (of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence")
       => important (vs. unimportant), of import -- (of great significance or value; "important people"; "the important questions of the day")

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