abominable /əˈbɑm.ə.nə.bl̩/ adjective4 •Worthy of, or causing, abhorrence, as a thing of evil omen; odious in the utmost degree; very hateful; detestable; loathsome; execrable.He committed an abominable act of cruelty. •Very bad or inferior. •Disagreeable or unpleasant.The prisoners were kept in abominable conditions. •(no longer used) Excessive, large (used as an intensifier). formsmore abominable · most abominable