Flat Synonyms
Words/phrases that have a similar definition to the word "flat" include...tedious, categorical, totally, downright, level, absolute, unequivocally, fixed, flatly, categorically, out-and-out, set, invariable, emphatically, absolutely, flat tire, unexciting, monotonous, dull, total, utterly, even, plane, lifeless, smooth, unequivocal, completely, puncture, emphatic, non-negotiable, horizontal, dreary, boring, preset
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