adj

significant

sihg-NIHF-ih-kuhnt

adj

Important enough to be noticed or to have a real effect.

"There has been a significant improvement in her health."

Fairly large in size, number, or amount.

"A significant portion of the budget goes toward salaries."

Unlikely to have happened by chance, especially in statistics.

"The results were statistically significant."

How to Use Significant

Learner’s notes

In plain EnglishNotable, meaningful, or large enough to matter — not to be confused with merely "big".

Common pairings

significant impact significant increase statistically significant

more significant comparative, significants plural, most significant superlative

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Can you complete this real example?

There has been a _____ improvement in her health.

From Latin significans, present participle of significare ("to signify, indicate").

important

insignificant ignorable negligible slight

small light throw important smooth respect negligible notable

applicant lubricant insignificant

important insignificant ignorable negligible slight small light throw smooth respect notable