The addition of -ity to an adjective results in a shift of stress to the antepenultimate syllable; that is, words in -ity are stressed on the last syllable before the -ity, even in cases where this syllable is part of another suffix (as in words in -ability and -icity).
adjective, dumber, dumbest. 1. lacking intelligence or good judgment; stupid; dull-witted. 2. lacking the power of speech (offensive when applied to humans): a dumb animal.
Top 10 Dumbest Dog Breeds. For many people, the term dog intelligence is an oxymoron. Dogs are known for being dumb, thanks in large part to unflattering portrayals in popular media (which Iâve long suspected of being controlled by cat people). This stereotype is obviously unfair.