immaturely

In juvenile fashion

In a manner showing lack of full development or adult judgment.

The word usually criticizes behavior as childish or insufficiently considered: He reacted immaturely to the criticism.

Less often, it describes something not yet physically mature: The fruit was picked immaturely.

impulsively

rashly

Without careful thought

heedlessly · incautiously · unthinkingly · abruptly · irresponsibly · capriciously · whimsically · precipitately · spontaneously · thoughtlessly

prematurely

greenly

In plant-colored manner

early · inchoately · embryonically

naively

innocently

Without intent to harm

unworldly · ingenuously · artlessly · guileless · unsuspectingly · greenly · cluelessly · wide-eyed · unquestioningly · simplistically

foolishly

silly

Frivolous or absurd

ridiculously · stupidly · nonsensically · inanely · preposterously · ludicrously · daftly · fatuously · witlessly · mindlessly

petulantly

sulkily

In a brooding way

fretfully · crankily · grumpily · moodily · touchily · grouchily · snappily · huffily · testily · churlishly

Opposites
developmental/behavioral maturity

immaturelymaturely

In an adult manner

responsibly · sensibly · levelheadedly · wisely · judiciously

wisdom and judgment

immaturelywisely

With good judgment

thoughtfully · judiciously · prudently · sagely · sensibly

emotional/psychological readiness

immaturelythoughtfully

With careful consideration

composedly · calmly · rationally · reasonably · considerately

Phrases
Family

immature, immatureness

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Negative · Everyday, not technical · Rated G