immature

From Wiktionary

Word parts[change]

im- + mature

Pronunciation[change]

  • IPA (key): /ɪməˈtjʊə(r)/ or /ɪməˈtʃʊə(r)/ or /ɪməˈtʃə(r)/
  • (file)

Adjective[change]

Positive
immature

Comparative
more immature

Superlative
most immature

  1. If something is immature, it has not fully developed.
  2. If a person is immature, they have a childish behavior.
    The man was immature for throwing a tantrum.