1
[ adjective ] characteristic of a lack of maturity

Examples

"immature behavior"

Used in print

(David Boroff, "Jewish Teen-Age Culture"...)

She is even prone to regard the college_girl as immature .

(Irving Fineman, Woman of Valor: The Life of Henrietta...)

And just as `` Laurie '' Lawrence was first attracted to bright Jo_March , who found him immature by her high standards , and_then had to content himself with her younger sister Amy , so Joe_Jastrow , who had also been writing Henrietta before he came to Johns_Hopkins , had_to content himself with her younger sister , pretty Rachel .

2
[ adjective ] lacking in development

Synonyms

unformed

Examples

"immature plans" "an unformed character"

Used in print

(Robert E. Lane, The Liberties of Wit: Humanism, Critici...)

Probably the most important thing to focus_on is not the development of conscience , which may well be almost beyond the reach of literature , but the contents of conscience , the code which is imparted to the developed or immature conscience available .

Related terms

undeveloped

3
[ adjective ] not fully developed or mature; not ripe;

Examples

"unripe fruit" "fried green tomatoes" "green wood"

Related terms

ripe unaged

4
5
[ adjective ] (used of living things especially persons) in an early period of life or development or growth

Synonyms

young

Examples

"young people"

6
[ adjective ] (of birds) not yet having developed feathers

Synonyms

unfledged

Examples

"a small unfledged sparrow on the window sill"

Related terms

fledged unfeathered

*