precocious
1 antonym for precocious — opposites grouped by meaning.
Adjective — Showing skills, knowledge, or maturity unusually early for one's age.
Antonyms
How to use precocious
The word patterns that sound natural to a native speaker.
Etymology
From Latin praecox, \"ripening early,\" from praecoquere, \"to ripen beforehand\" — literally related to cooking or ripening ahead of schedule. Surprisingly, "apricot" comes from the very same root.
Full origin of precocious →