1
to meet;to encounter;to see
逢う is often used for close friends, etc. and may be associated with drama or pathos; 遭う may have an undesirable nuance
前に彼にあったのを覚えている。
I remember seeing him before.
2
to have an accident;to have a bad experience
esp. 遭う when in kanji
駅へ行く途中でにわか雨に遭った。
I was caught in a shower on my way to the station.
Other forms
逢う 【あう】 · 遭う 【あう】 · 遇う 【あう】 (rarely used kanji form)