Dictionary and Thesaurus

Definition of Significant

• (a.) Fitted or designed to signify or make known somethingl having a meaning; standing as a sign or token; expressive or suggestive; as, a significant word or sound; a significant look.
• (a.) Deserving to be considered; important; momentous; as, a significant event.
• (n.) That which has significance; a sign; a token; a symbol.

Synonyms of Significant

• Important
• Substantial
• Meaning
• Pregnant

Antonyms of Significant

• Insignificant
• Nonsignificant

Homophones of Significant