Antonym of acting mature

immature adolescent green juvenile unripe young youthful naive unripened youngish childish growing incomplete puerile undeveloped unfinished unperfected ignorant inexperienced unprepared unready infant fresh new untimely premature youth unfledged unformed modern recent boyish up-to-date

immature adolescent juvenile childlike unsophisticated childish young little youthful raw pubescent undeveloped developing junior green youngish growing teenage unripened underdeveloped blooming inexperienced blossoming underage unripe infant infantile teenaged babyish girllike boylike girlish boyish puerile fledgling early fresh premature baby small unformed pubertal teen fresh-faced rudimentary unseasoned basic inexpert unexperienced prepubescent unevolved embryonic low unrefined unqualified tenderfoot tender not aged half-grown not far advanced lower basal half-baked uncooked underdone undercooked bloody not cooked budding vernal minor callow ageless infantine kiddish preteen newborn

inexperienced green unacquainted uninitiated unqualified unseasoned untrained untried unversed unconversant unfledged uninformed unpractised unproven unskilled ignorant novice amateur inexpert naive unworldly inept innocent unsophisticated callow immature unfamiliar amateurish unskillful unprofessional jackleg new unable incapable untalented simple unwise simpleminded uneducated nescient unsuspicious uncritical uncorrupted simple-minded raw credulous impressionable insensible childlike young undisciplined unpracticed unaccustomed unused unschooled rookie ingenuous

youthful young childish vernal youngish childlike underaged fresh-faced young-looking

green unripened unready undeveloped half-grown not ripe unripe

ill-considered hasty impetuous imprudent impulsive injudicious precipitous rash audacious bold brash improvident incautious indiscreet irrational overhasty precipitate premature reckless slapdash thoughtless unconsidered misjudged temerarious unthinking unwise unrealistic foolish ill-advised impractical insensible misguided impolitic inexpedient irresponsible careless illogical negligent unreasonable senseless capricious unsound foolhardy ill-judged heedless excitable fiery hotheaded

unevolved backwards backward undeveloped underdeveloped unprogressive primitive traditional traditionalistic behind-the-times old-fashioned old-line old-school

undue early paid unrightful settled improper inappropriate insufficient

innocent clean safe tame decent G-rated harmless innocuous inoffensive unoffensive inobnoxious offenseless unobjectionable family-oriented family friendly educational nonprovocative

neurotic paranoid panicky nervous anxious manic obsessive overanxious overwrought irrational jumpy oversensitive phobic hysterical nervy twitchy stressy erratic fearful hysteric obsessed compulsive disturbed fixated tense unstable highly strung hyper

unreliable untrustable untrustworthy dodgy undependable fickle recreant perfidious untrue treacherous inconstant false disloyal traitorous faithless unfaithful impulsive vacillating immature half-hearted wavering airy-fairy unpredictable uncommitted flighty upset friendly unfixed excitable in two minds weak agitated irresponsible broken imbalanced excited discontinuous wobbly

cleared liquidated repaid settled paid paid off paid up green young resolved

unbalanced agitated anxious flustered discomposed disorganised disorganized unhinged irrational neurotic troubled unsound bothered distressed disturbed jittery jumpy nervous perturbed restless skittish tense uneasy unglued unsettled unstrung upset uptight imbalanced unstable worried high-strung

new modern modish latest newest brand-new

unsophisticated guileless ingenuous innocent naive provincial untutored unworldly wide-eyed hidebound illiberal insular limited narrow narrow-minded parochial restricted rustic country particular rural specific unrefined inexperienced callow naïve jejune moral nonmaterialistic simple religious otherworldly kind low immaterial

backward slow late altricious dense immature serotinous stupid underdeveloped unintelligent unresponsive

irrational unreasonable foolish illogical invalid unsound groundless illegitimate incoherent inconsequent inconsequential nonrational nonsensical nonvalid unfounded uninformed unjustified unreasoned weak blind daft idiotic ignorant injudicious senseless silly stupid unwise excited imbecile impractical indiscreet unintelligent unrealistic wacko

untrustworthy unreliable undependable dishonest disloyal irresponsible treacherous trustless untrusty faithless fickle lying unfaithful deceitful doubtful questionable dubious misleading shifty sneaky traitorous unethical dodgy duplicitous iffy immature irresolute slippery unconvincing double-dealing two-faced two-timing uncertain untruthful

decent clean G-rated wholesome nonobscene pure chaste moral virtuous

ordinary commonplace normal untalented conventional everyday regular average familiar routine incapable uneducated unimaginative unpractised inept raw unresourceful unschooled inexperienced unprofessional unversed inexpert unaccomplished uncreative inproficient stupid ungifted unskillful amateur inadequate uninventive untrained awkward common unqualified usual mundane nonprofessional unequipped unskilled amateurish dull talentless undeveloped unhandy common place run of the mill

shrink retrogress shrivel wither die fade lessen decline decrease droop wilt waste perish deteriorate decay wizen diminish wane dwindle halt stop cease struggle disintegrate atrophy fold shrivel up waste away become stale become marcescent weaken increase rise fail languish emaciate grow less recede contract lose

regress deteriorate retrograde retrogress revert worsen atrophy backslide decline degenerate decay devolve recede wane sink slump retrocede get worse go backwards go downhill lose ground drift back roll back ebb diminish lessen decrease relapse reverse return retreat go back move backward move back

block check conceal decrease deteriorate halt hide stagnate stop withhold wrap

decline fail stagnate deteriorate diminish abate fade languish wane disimprove descend recede slide dip drop fall sink weaken worsen depreciate retrograde collapse regress backslide tumble retrogress degenerate slump struggle degrade plunge crash crumble decay plummet decrease ebb slip lapse flop disintegrate lose ground fall apart get worse go downhill go to pieces have trouble come unstuck face problems face difficulties have problems bust bomb close flag wilt fold dwindle debase dive lessen fizzle rot corrode fall off founder break down wear away become worse hit the skids reduce attenuate stumble topple come down lose quality keel over tumble down capitulate detrain level down lose a level wither devolve moderate taper slacken adulterate lower labor subside labour stunt atrophy die shrivel perish retreat debilitate flounder toil vitiate abase skid stagger break alloy nosedive droop fall away drop off fade away tail off fall to pieces go backwards go down get less be in decline let up fall down peter out grow smaller get behind find it hard die out die away go bad go into a tailspin go down the tubes lose value have difficulties move backward be worse for wear go to pot find it difficult take a nosedive go down the toilet die down

spoil atrophy decompose degenerate deteriorate disintegrate rot break down crumble decay go bad go off go rotten moulder molder putrefy ruin taint turn addle curdle damage mildew flag shrivel wane waste away wilt wither

decondition flex neglect weaken

fail underperform flounder founder underachieve bomb flop crumple be unsuccessful fall flat lack success not succeed screw up

continue keep remain stagnate stay

decrease destroy ignore ignorize learn neglect

acting normally acting on acting on behalf of acting out acting politely acting possum acting like a wet blanket acting like a child acting like a baby acting like acting jointly acting irrationally