transcription, транскрипция: [ ɪnɪkskju:zəb(ə)l ]
If you say that something is inexcusable , you are emphasizing that it cannot be justified or tolerated because it is extremely bad.
He said the killing of innocent people was inexcusable...
= unpardonable, unforgivable
ADJ [ emphasis ]
• in‧ex‧cus‧ably
She had been inexcusably careless.
ADV