imperfection

noun

A fault, blemish, or undesirable feature.

SYNONYMS

blemishbreakchipcrackdefectdeficiencydeformitydentdiscolorationdisfigurementfailingfallibilityfaultflawfoiblefrailtyinadequacyinfirmitylimitationmarknicknotchpitscratchshortcomingspotstainstreakweakness