This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Arousing disgust or aversion; offensive or repulsive: morally repugnant behavior.

adj. Logic Contradictory; inconsistent.

adj. Offensive or repulsive; arousing disgust or aversion.

adj. Opposed or in conflict.

adj. Disposed to fight against; hostile; at war with; being at variance; contrary; inconsistent; refractory; disobedient; also, distasteful in a high degree; offensive; -- usually followed by to, rarely and less properly by with.

Opposing; resisting; refractory; disposed to oppose or antagonize.

Standing or being in opposition; opposite; contrary; contradictory; at variance; inconsistent.

In law, contrary to or inconsistent with another part of the same document or law, or of another which must be construed with it: generally used of a clause inconsistent with some other clause or with the general object of the instrument.

Causing mental antagonism or aversion; highly distasteful; offensive.

Synonyms Opposed, irreconcilable.

Disagreeable. See antipathy.

adj. offensive to the mind

"We find the term repugnant and impossible to define."

offensive   

repugnance    repugn    repugnancy   

inimical    opposite    hostile    inconsistent    contrary    irreconcilable    opposed    adverse    refractory    disobedient   

distasteful    abhorrent    averse    objectionable    repulsive    inapplicable    antagonistic    injurious    unacceptable    detrimental