rash

US /ræʃ/
UK /ræʃ/
"rash" picture
1.

発疹, 湿疹

an area of red spots on a person's skin, caused by an illness or a reaction to something

:
The baby developed a diaper rash.
赤ちゃんにおむつかぶれができた。
I get a rash if I eat strawberries.
イチゴを食べると発疹が出る。
1.

軽率な, 無謀な

done or made too quickly and without careful consideration

:
It was a rash decision to quit her job without a new one lined up.
新しい仕事が決まっていないのに仕事を辞めるのは軽率な決断だった。
Don't make any rash promises.
軽率な約束はしないでください。