serious injury; major injury
Refers to a significant physical injury, often one requiring medical attention or causing lasting damage.
I suffered a serious injury in a traffic accident.
Fortunately, it didn't result in a major injury.
Standard kanji spelling.
Mixed kanji-kana spelling, common in everyday writing.
Compound of 大 (おお, 'big, great') and 怪我 (けが, 'injury'). The reading おおけが follows standard rendaku rules.