Share WhatsApp Facebook Twitter Pinterest Email Sudden Definition: The definition of sudden is not expected, or happening without warning. Synonyms: Momentary, Brief, Rapid, Quick, Unexpected Antonyms: Awaited, Gradual, Anticipated, Progressive 0 Related Posts Abandon – Definition, Synonyms and Antonym December 26, 2021 Abash – Definition, Synonyms and Antonym December 26, 2021 Abbreviate – Definition, Synonyms and Antonym December 26, 2021 Write A Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Δ