Find Synonyms

significant Synonyms

Another word for significant

Choosing another word for significant depends on context, so the 19 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• adjective (Context 1)

Sufficiently great, important, or consequential to be worthy of attention; notable or substantial.

Usage Example

"The new public transit line has made a important reduction in daily commuter traffic."

Strongest
important
notable
substantial
considerable
consequential
Strong
major
meaningful
noteworthy
momentous
marked

• adjective (Context 2)

In statistics, relating to a result or difference that is unlikely to have occurred by random chance alone.

Usage Example

"The researchers found a statistically nonrandom correlation between sleep quality and memory retention."

Strong
nonrandom
reliable

• adjective (Context 3)

Having a particular meaning; indicative of an unspoken thought, feeling, or intention.

Usage Example

"She gave her colleague a meaningful look across the conference table before changing the subject."

Strongest
meaningful
telling
expressive
Strong
suggestive
eloquent
pregnant
knowing
indicative

Opposites of significant

The opposite of significant shifts depending on context. Common opposites include:

insignificant
negligible
trivial
meaningless
minor
inconsequential
unimportant
expressionless
See all opposites of significant

• Nearby Words

signer
signet
significance
significant
significantly
signification
significatrix

Cite this Entry

Wordmom. (2026). Synonyms for Significant. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/significant
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