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

developed (adjective)

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

full-blown (adjective)

in its most complete and developed form

full-grown (adjective)

American fully-grown

fully-fledged (adjective)

completely developed

fully-grown (adjective)

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

grown (adjective)

no longer small or young

growth (noun)

someone’s emotional and spiritual development

immature (adjective)

used about someone’s behaviour

immature (adjective)

not fully grown or developed

infantile (adjective)

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

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