SAT TOEFL IELTS insignificant Definition Lacking importance, meaning, or value. Example "The error was insignificant and did not affect the final result." Sign in to save SAT Quiz → TOEFL Quiz → IELTS Quiz → ← insight insinuate → Study tips featuring "insignificant" Let the Argument Reveal Unfamiliar Word Meanings Study the Exact Words Examiners Use Map Each Word Into a Connected Network Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal