Immature-Premature | Commonly Confused Words
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Immature vs. Premature

Immature

/ˌɪməˈtʃʊə/
Not fully developed or grown in physical or mental characteristics

Examples:

His immature behavior was inappropriate for a leader.She still had an immature sense of humor, often laughing at silly things.The project was canceled due to the team's immature planning.

Synonyms:

Antonyms:

Premature

/ˈpremətʃə/
Something happening too early or before the expected time

Examples:

The premature decision caused unforeseen problems.Signs of premature aging can be concerning.He was worried about premature greying of his hair.

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • Pre in premature means before, hinting that something occurs earlier than expected.
  • Immature starts with imm, which is part of immature, meaning something that is not fully grown or developed.
  • Premature often relates to timing, while immature relates to development or behavior.
  • Premature events happen earlier than the natural time, whereas immature is the opposite of mature, regardless of mind or age.
  • Remember the pre for time-related events and imm for growth and behavior related descriptions.
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