Simple Definition of immature
: not fully developed or grown
: acting in a childish way : having or showing a lack of emotional maturity
Full Definition of immature
1 archaic : premature
2 a : lacking complete growth, differentiation, or development <immature fruits> <a sexually immature bird> b : having the potential capacity to attain a definitive form or state : crude, unfinished <a vigorous but immature school of art> c : exhibiting less than an expected degree of maturity <emotionally immature adults>
immaturityplay \-ˈtu̇r-ə-tē, -ˈtyu̇r-, -ˈchu̇r-\ noun
Examples of immature in a sentence
The flock included both adult and immature birds.
His teachers have complained about his immature behavior.
Origin and Etymology of immature
Latin immaturus, from in- + maturus mature
First Known Use: 1548
Rhymes with immature
amateur, aperture, armature, blackamoor, carrefour, carte du jour, coinsure, commissure, confiture, connoisseur, coverture, curvature, cynosure, embouchure, epicure, filature, forfeiture, garniture, geniture, green-manure, haute couture, insecure, ligature, manicure, overture, paramour, pedicure, plat du jour, portraiture, prelature, premature, quadrature, reassure, Reaumur, reinsure, saboteur, sepulture, sequitur, signature, simon-pure, sinecure, soup du jour, tablature, temperature, to be sure, troubadour, white amur, Yom Kippur
IMMATURE Defined for Kids
Definition of immature for Students
1 : not yet fully grown or ripe <an immature bird> <immature fruit>
2 : acting in or exhibiting a childish manner <an immature teenager> <immature behavior>
Medical Definition of immature
: lacking complete growth, differentiation, or development <immature blood cells> <emotionally immature>
immaturity\-ˈt(y)u̇r-ət-ē also -ˈchu̇r-\play noun plural
Seen and Heard
What made you want to look up immature? Please tell us where you read or heard it (including the quote, if possible).