foible Synonyms

failing infirmity imperfection idiosyncrasy frailty fault mannerism weakness defect weak spot shortcoming suscept quirk peculiarity chink in one's armour odd trait oddity hereticism singularity trait whimsy whim weirdness vice weak point twist Achilles heel trick vagary limitation kink error eccentricity demerit deficiency debility crotchet characteristic caprice blemish adynamia failure inadequacy habit fugitiveness frailties flaw feebleness feature fancy