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.
dumberer. May refer to the celebrity Azn counterpart to rafat (who was coincidentally nicknamed Dumby by dumberer). dumberer is actually Azn in appearance but white and blonde in mentality. She is most acclaimed for her reputation as President of Absolutely Everything.