Synonyms and antonyms of Describing levels of development or maturity in American Thesaurus

developed (adjective)

a developed skill, idea, or quality has reached a high level because someone has worked on it, practiced it, or thought about it a lot

full-blown (adjective)

in its most complete and developed form

full-fledged (adjective)

American completely developed

full-grown (adjective)

American a full-grown person or animal has reached its biggest size and will not grow any more

fully-fledged (adjective)

full-fledged

fully-grown (adjective)

British full-grown

grown (adjective)

no longer small or young

growth (noun)

someone’s emotional and spiritual development

immature (adjective)

used about someone’s behavior

immature (adjective)

not fully grown or developed

infantile (adjective)

infantile behavior annoys you because it is very silly, like a child’s behavior

late developer (noun)

someone who develops physically or mentally at a later age than other people

maturity (noun)

full growth, or completed development

pitch (noun)

a level of development

plane (noun)

a level of thought, development, or existence

undeveloped (adjective)

not fully grown

unformed (adjective)

formal not completely grown

unformed (adjective)

formal not completely developed

unripe (adjective)

mainly literary not ready or old enough