Synonyms for Un constrained:

• adj.

  •breezy (adjective)
  • spirited,
  • lively,
  • spicy,
  • jaunty,
  • peppy,
  • light,
  • sprightly,
  • racy,
  • buoyant,
  • relaxed,
  • effervescent,
  • vivacious,
  • carefree,
  • free and easy,
  • low-pressure,
  • airy,
  • informal,
  • easy-going,
  • casual,
  • unconstrained,
  • sparkling,
  • animated,
  • debonair,
  • cheerful,
  • sunny,
  • blithe.
  •demonstrative (adjective)
  • emotional,
  • open,
  • histrionic,
  • illustrative,
  • warmhearted,
  • plain,
  • profuse,
  • outgoing,
  • unreserved,
  • expansive,
  • effusive,
  • outpouring,
  • explanatory,
  • affectionate,
  • gushing,
  • outspoken,
  • loving,
  • symptomatic,
  • candid,
  • tender,
  • Evincive,
  • indicative,
  • expository,
  • frank.
  •dissolute (adjective)
  • sybaritic,
  • nighthawk,
  • swift,
  • loose,
  • player,
  • night owl,
  • vicious,
  • raffish,
  • evil,
  • reprobate,
  • lewd,
  • gone bad,
  • intemperate,
  • on the take,
  • fast and loose,
  • abandoned,
  • libertine,
  • in the fast lane,
  • lascivious,
  • high living,
  • slack,
  • debauched,
  • lecherous,
  • lax,
  • wayward,
  • degenerate.
  •effusive (adjective)
  • gabby,
  • prolix,
  • windy,
  • free-flowing,
  • demonstrative,
  • verbose,
  • lavish,
  • all jaw,
  • big mouthed,
  • wordy,
  • talkative,
  • windbag,
  • ebullient,
  • overflowing,
  • enthusiastic,
  • extravagant,
  • fulsome,
  • exuberant,
  • gushy.
  •expansive (adjective)
  • extroverted,
  • friendly,
  • garrulous,
  • sociable,
  • generous,
  • warm,
  • easy,
  • liberal,
  • affable,
  • gregarious,
  • genial,
  • communicative,
  • loquacious,
  • free.
  •familiar (adjective)
  • dear,
  • palsy,
  • buddy-buddy,
  • impudent,
  • cordial,
  • palsy-walsy,
  • comfortable,
  • wise,
  • snug,
  • near,
  • presumptuous,
  • neighborly,
  • nervy,
  • intimate,
  • intrusive,
  • gracious,
  • obtrusive,
  • unceremonious,
  • thick,
  • smart,
  • officious,
  • free-and-easy,
  • tight,
  • close,
  • chummy,
  • forward,
  • amicable,
  • fresh,
  • sassy,
  • Presuming,
  • cozy,
  • confidential.
  •free (adjective)
  • uncommitted,
  • able,
  • sovereign,
  • emancipated,
  • free-spirited,
  • at liberty,
  • enfranchised,
  • democratic,
  • Unenslaved,
  • unfettered,
  • unhampered,
  • liberated,
  • permitted,
  • independent,
  • separate,
  • individualistic,
  • at large,
  • self-ruling,
  • clear,
  • unattached,
  • Familiar,
  • unrestricted,
  • on one's own,
  • unregulated,
  • Disengaged,
  • autonomous,
  • Allowed,
  • autonomic,
  • self-governing,
  • unimpeded,
  • off the hook,
  • self-directing,
  • footloose,
  • escaped,
  • unengaged,
  • autarchic,
  • on the loose,
  • fancy-free,
  • unconfined,
  • unobstructed,
  • untrammeled,
  • unregimented,
  • freed,
  • free-wheeling,
  • sui juris.
  •outgoing (adjective)
  • civil,
  • sympathetic,
  • kind,
  • extrovert,
  • approachable.
  •spontaneous (adjective)
  • inevitable,
  • unprompted,
  • off top of head,
  • simple,
  • impromptu,
  • unsophisticated,
  • extemporaneous,
  • from the hip,
  • uncompelled,
  • unconscious,
  • unstudied,
  • uncontrived,
  • unforced,
  • unavoidable,
  • unbidden,
  • offhand,
  • unintentional,
  • free spirited,
  • up front,
  • Unartful,
  • unplanned,
  • involuntary,
  • ad-lib,
  • down,
  • break loose,
  • instinctive,
  • automatic,
  • irresistible,
  • voluntary,
  • unpremediated,
  • improvised,
  • impetuous.
  •unbridled (adjective)
  • crazy,
  • chaotic,
  • noisy,
  • unchecked,
  • turbulent,
  • berserk,
  • ungovernable,
  • hysterical,
  • violent,
  • crazed,
  • undisciplined,
  • madcap,
  • rabid.
  •unceremonious (adjective)
  • blunt,
  • inelegant,
  • hasty,
  • curt,
  • bluff,
  • short,
  • abrupt,
  • brief.
  •unconditional (adjective)
  • entire,
  • positive,
  • wide,
  • outright,
  • unlimited,
  • downright,
  • determinate,
  • assured,
  • indubitable,
  • actual,
  • certain,
  • unmitigated,
  • all out,
  • unmistakable,
  • unqualified,
  • plenary,
  • thorough,
  • categorical,
  • no catch,
  • unequivocal,
  • straight out,
  • genuine,
  • complete,
  • flat out,
  • unquestionable,
  • no ifs ands or buts,
  • no kicker,
  • no fine print,
  • no holds barred,
  • out-and-out,
  • decisive,
  • whole,
  • explicit,
  • final,
  • utter,
  • thoroughgoing,
  • full,
  • definite,
  • no strings.
  •unconstrained (adjective)
  • immoral,
  • incorrigible,
  • uncontrolled,
  • ungoverned,
  • gay,
  • licentious,
  • depraved,
  • fast,
  • corrupt,
  • uninhibited,
  • unprincipled,
  • dissolute,
  • shameless,
  • sinful,
  • wicked,
  • profligate,
  • unbridled,
  • wild,
  • unrestrained,
  • incontinent,
  • wanton,
  • rakish,
  • dissipated.
  •uninhibited (adjective)
  • unrepressed,
  • unself-conscious,
  • audacious,
  • unsuppressed,
  • hanging out,
  • off the cuff,
  • cut loose.
  •unlimited (adjective)
  • countless,
  • measureless,
  • infinite,
  • indefinite,
  • endless,
  • unbounded,
  • total,
  • untold,
  • all-encompassing,
  • great,
  • boundless,
  • immense,
  • no end to,
  • all-out,
  • numberless,
  • vast,
  • wide open,
  • immeasurable,
  • incalculable,
  • interminable,
  • totalitarian,
  • full-out,
  • incomprehensible,
  • no end of,
  • limitless,
  • illimitable,
  • full-blown,
  • full-scale,
  • unfathomed,
  • universal,
  • unconditional.
  •voluntary (adjective)
  • chosen,
  • elected,
  • unpaid,
  • freely,
  • opted,
  • honorary,
  • Wished,
  • deliberate,
  • volitional,
  • intentional,
  • Designful,
  • witting,
  • optional,
  • Willed,
  • unasked,
  • unprescribed,
  • intended,
  • willful,
  • gratuitous,
  • free-willed,
  • discretional,
  • volunteer.

Antonyms for Un constrained:

• adj.

  • breezy
    sad, quiet, depressed, sorrowful, serious, peaceful, lethargic, lifeless, inactive, unhappy, heavy, still, heavyhearted, calm, difficult, apathetic, gloomy.
  • demonstrative
    confusing, uncommunicative, dishonest, cold, vague, mysterious, inconclusive, reserved, unclear, restrained, inexpressive, ambiguous, unemotional, undemonstrative, cool, anticlimactic.
  • dissolute
    good, respectful, chaste, moral, virtuous, pure, resolute.
  • effusive
    economical, unexcited, unenthusiastic, silent, disinterested.
  • expansive
    limited, narrow.
  • familiar
    ignorant, unfriendly, aloof, loose, unknowledgeable, undistinguished, unfamiliar, unsociable, uncommon, distant, unapproachable, unacquainted, foreign, unintelligent, unremarkable, unknown, stupid, uncomfortable, new, strange.
  • free
    busy, niggardly, enslaved, expensive, tight-fisted, scheduled, strict, occupied, Prevented, closed, bound, priced, confined, barred, dependent, restricted, mean, suppressed, blocked, Hindered, tied-up, high-priced, costly, definite.
  • independent
    subordinate, subservient.
  • informal
    ceremonious, rigid, buttoned-up, dressed-up, stiff, formal, official.
  • irrepressible
    grave, hopeless, despondent.
  • licentious
    controlled, innocent.
  • merry
    unfunny, unpleasant, upset, solemn, disagreeable, tragic.
  • outgoing
    introverted, reclusive, shy, entering, arriving, incoming.
  • spontaneous
    planned, deliberate, intended, premeditated.
  • unceremonious
    polite.
  • unconditional
    incomplete, uncertain, qualified, obscure, equivocal, unfinished, conditional, indefinite.
  • uncontrolled
    disciplined.
  • uninhibited
    inhibited, modest, careful.
  • unlimited
    countable, calculable, tiny, bounded, finite, measurable, ending, partial, small, little.
  • voluntary
    obligatory, forced, involuntary, unwilling.