Share WhatsApp Facebook Twitter Pinterest Email Thick Definition: The definition of thick is great depth or dense. Synonyms: Broad, Bulky, Deep, Solid, Substantial Antonyms: Narrow, Slight, Slim, Thin, Clear 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