immature (adj)

characteristic of a lack of maturity

"immature behavior"

young, immature (adj)

(used of living things especially persons) in an early period of life or development or growth

"young people"

green, unripe, unripened, immature (adj)

not fully developed or mature; not ripe

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

immature (adj)

not yet mature

unfledged, immature (adj)

(of birds) not yet having developed feathers

"a small unfledged sparrow on the window sill"

immature (Adjective)

Not fully formed or developed, unripe.

immature (Adjective)

Childish in behavior.

Immature

Immature is an American R&B group, managed by record producer Chris Stokes. Its members include Marques "Batman" Houston, Jerome "Romeo" Jones, and Kelton "LDB" Kessee, all natives of Los Angeles, California, where the group was formed. The group released four albums under the Immature moniker including On Our Worst Behavior in 1992 which included former member Don "Half Pint" Santos, later replaced by Kessee, Playtyme Is Over in 1994, then We Got It in 1995 and finally in 1997 released the album, The Journey. In 1999, the group changed their name to IMx marking 10 years of being a group and released two studio albums Introducing IMx and IMx, and then released a Greatest Hits album in 2001. The group also branched out into film and television before disbanding in 2002. In 2010, Houston announced on 106 & Park that the group were planning to record another group album together for 2011.

immature

Mature is the adjectival form of maturity, as immature is the adjectival form of immaturity, which have several meanings.