Dictionary
im•ma•ture
Pronunciation: (im'u-choor', -toor', -tyoor', -chûr'), [key]—
adj.
1. not mature, ripe, developed, perfected, etc.
2. emotionally undeveloped; juvenile; childish.
3. Physical Geog.youthful (def. 5).
4. Archaic.premature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.