Bad
Bad adjective - Falling short of a standard.
Inexcusable and bad are semantically related. In some cases you can use "Inexcusable" instead an adjective "Bad".
Inexcusable
Inexcusable adjective - Too bad to be excused or justified.
Bad and inexcusable are semantically related. Sometimes you can use "Bad" instead an adjective "Inexcusable".
Mutual synonyms
Both words in one sentence
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Though he's fortunately nowhere near as bad as when he started out, it's still patently inexcusable that Ash could be beaten by novice trainers so easily.
Source: This Loser Is You - This would be bad enough on a console game; on a portable system, where a player may have to abandon the game at a moment's notice (or the batteries might run out), it's inexcusable.
Source: Save-Game Limits - Bad in a shooter, absolutely inexcusable in a stealth game.
Source: Save-Game Limits
Cite this Source
Inexcusable and Bad. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/bad/inexcusable
Bad & Inexcusable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/bad/inexcusable>.
Inexcusable or Bad. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/bad/inexcusable.
Google Ngram Viewer shows how "bad" and "inexcusable" have occurred on timeline