Share WhatsApp Facebook Twitter Pinterest Email Prolong Definition: To prolong is to make something last longer. Synonyms: Lengthen, Continue, Protract, Extend, Stretch Antonyms: Contain, Lessen, Shorten, Diminish, Abridge 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