adj. 1 detestable; loathsome; morally reprehensible. 2 colloq. very bad or unpleasant (abominable weather). Abominable Snowman an unidentified manlike or bearlike animal said to exist in the Himalayas; a yeti. abominably adv.
[ ME f. OF f. L abominabilis f. abominari deprecate (as AB-, ominari f. OMEN) ]