crunchy definitions Merriam Webster's adjective (crunchier; -est) Date: 1913 making a crunching sound when chewed or pressed < crunchy lettuce > • crunchily adverb • crunchiness noun Oxford Reference Dictionary adj. (crunchier ... n. Collin's Cobuild Dictionary (crunchier, crunchiest) Food that is crunchy is pleasantly hard or crisp so that it makes a noise when you eat it. ...fresh, crunchy vegetables... = crisp ADJ [approval]