To make one's voice or manner rough or harsh; to raise one's voice or adopt an aggressive tone (nonstandard form of 荒らげる).
議論が白熱して彼はつい声を荒げてしまった。
The debate heated up and he ended up raising his voice.
上司に向かってそんなに態度を荒げるのはよくない。
It's not good to take such an aggressive attitude toward your boss.
母親は叱っていて一瞬声を荒げたが、すぐに落ち着いた。
The mother raised her voice for a moment while scolding, but quickly calmed down.