An attribute that is inadequate or deficient.

Roget 477: intuition, instinct, association, hunch, gut feeling; presentiment, premonition; rule of thumb; superstition; astrology^†; faith (supposition) 514.    sophistry, paralogy^†, perversion, casuistry, jesuitry, equivocation, evasion; chicane, chicanery; quiddet^†, quiddity; mystification; special pleading; speciousness etc. adj.; nonsense etc. 497; word sense, tongue sense.    false reasoning, vicious reasoning, circular reasoning; petitio principii [Lat.], ignoratio elenchi [Lat.]; post hoc ergo propter hoc [Lat.]; non sequitur, ignotum per ignotius [Lat.].    misjudgment etc. 481; false teaching etc. 538.    sophism, solecism, paralogism^†; quibble, quirk, elenchus^†, elench^†, fallacy, quodlibet, subterfuge, subtlety, quillet^†; inconsistency, antilogy^†; a delusion, a mockery, and a snare" [Denman]; claptrap, cant, mere words; lame and impotent conclusion" [Othello]. meshes of sophistry, cobwebs of sophistry; flaw in an argument; weak point, bad case.    overrefinement^†; hairsplitting etc. v.. ... show more

Roget 651: imperfection; imperfectness etc. adj.; deficiency; inadequacy etc. (insufficiency) 640; peccancy etc. (badness) 649^†; immaturity etc. 674.    fault, defect, weak point; screw loose; flaw etc. (break) 70; gap etc. 198; twist etc. 243; taint, attainder; bar sinister, hole in one's coat; blemish etc. 848; weakness etc. 160; half blood; shortcoming etc. 304; drawback; seamy side.    mediocrity; no great shakes, no great catch; not much to boast of; one-horse shay.    ... show more