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Definition/Meaning

(adjective)

crucial or essential, extremely important or the most important;

e.g. They plan to discuss the all-important matter tomorrow.

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Similar Words

Critical

Essential

Essentially

Imperative

Indispensable

Integral

Must-have

Necessary

Needful

Organic

Required

Requisite

Seminal

Strategic

Vital

Worthwhile

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Opposite Words

Accessorial

Accessory

Appurtenant

Auxiliary

Contributory

Dispensable

Excess

External

Extra

Extraneous

Fiddling

Foolish

Frivolous

Fry

Gratuitous

Helping

Here

Incidental

Inconsequential

Inconsiderable

Inessential

Insignificant

Least

Little

Minor

Needless

Negligible

Neither

Nickel-and-dime

Nonessential

Nor

Nugatory

One-horse

Peripheral

Slight

Small

Small-fry

Small-time

Subservient

Superfluous

Supplemental

Supplementary

Surplus

There

Trifling

Trivial

Uncalled-for

Undesired

Unessential

Unimportant

Unnecessary

Unwanted

Unwarranted

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Related Words

Basic

Big

Central

Compulsory

Consequential

Crucial

Earth-shattering

Earthshaking

Eventful

Forced

Fundamental

Historic

Imperative

Important

Incumbent

Insistent

Involuntary

Key

Major

Mandatory

Material

Meaningful

Momentous

Monumental

Much

Necessary

Nonelective

Obligatory

Organic

Peremptory

Persistent

Prerequisite

Pressing

Required

Significant

Substantial

Tectonic

Urgent

Weighty

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