adjective
inexcusable
adjective
1
So bad that there is no acceptable reason or excuse for it.
"His rudeness to the waitress was completely inexcusable."
"Missing the deadline twice in a row is inexcusable."
How to Use Inexcusable
Learner’s notesIn plain EnglishSomething you can't justify or find any excuse for — plain and simply not okay.
Common pairings
completely inexcusable
inexcusable behaviour
utterly inexcusable
Word Forms
more inexcusable comparative, most inexcusable superlative
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His rudeness to the waitress was completely _____.
Etymology
From Middle French inexcusable, from Latin inexcusabilis.