Refers to the state of being fully ripe, especially for fruit. Also used figuratively for maturity or peak condition.
This peach isn't ripe enough.
His performance shows maturity.
become overripe; get too ripe
Standard kanji spelling for the noun meaning ripeness or maturity.
Kana spelling is common in everyday writing, especially when the kanji is not needed.
The noun form of the verb 熟れる (うれる, 'to ripen'). The kanji 熟 carries the meaning of 'ripen' or 'mature'.