indefensible
[adjective]
Synonyms: unforgivable, inexcusable, unjustifiable, unpardonable, untenable, unwarrantable, wrong

---

Antonyms: defensible

[TahlilGaran] English Synonym Dictionary ▲

in‧de‧fen‧si‧ble /ˌɪndɪˈfensəbəl◂, ˌɪndɪˈfensɪbəl◂/ adjective
[Word Family: noun: DEFENCE/DEFENSE, defendant, defender, defensiveness; adjective: DEFENCELESS/DEFENSELESS, defensible ≠ indefensible, defensive; adverb: defensibly ≠ indefensibly, defensively; verb: defend]

1. too bad to be excused or defended:
The law is morally indefensible and in need of reform.

2. impossible or very difficult to defend from military attack
—indefensibly adverb

[TahlilGaran] Dictionary of Contemporary English ▲

indefensible
adj.
VERBS be | find sth I find such behaviour indefensible.
ADV. totally | morally, politically It would be morally indefensible for her to desert her father now.

[TahlilGaran] Collocations Dictionary ▲