Grownup antonyms | adjectives

Antonyms for Grownup as a Adjective

• juvenile

  grown
• immature

  experienced
• unprepared

  experienced
• unready

  experienced
• adolescent

  mature, fully grown
• infant

  fully grown, grown
• tiny

  grown
• blah

  grown
• unimportant

  grown
• baby
• babyish
• infantile
• selfish
• ungenerous
• little
• small

  developed
• bland
• 

  dull
• ungiving
• humble
• shy
• unconfident
• itsy
• undeveloped

  experienced, developed
• young

  developed
• new

  developed
• underdeveloped

  developed
• unripe

  experienced
• inexperienced
• inopportune
• unfavorable
• untimely
• unfavourable