| undetermined | (adjective) not yet having been ascertained or determined | - |
|---|
| (adjective) not precisely determined or established; not fixed or known in advance | Synonyms: indeterminate |
| (adjective) not brought to a conclusion; subject to further thought | Synonyms: open, undecided, unresolved |
| undeterred | (adjective) not deterred | Synonyms: undiscouraged |
|---|
| undeveloped | (adjective) not developed, mature, or fully formulated | - |
|---|
| (adjective) not developed, improved, exploited or used | Synonyms: unexploited |
| undeviating | (adjective) going directly ahead from one point to another without veering or turning aside | Synonyms: unswerving |
|---|
| (adjective) used of values and principles; not subject to change; steady | - |
| undiagnosable | (adjective) not possible to diagnose | - |
|---|
| undiagnosed | (adjective) eluding diagnosis | - |
|---|
| undies | (noun) women's underwear | - |
|---|
| undifferentiated | (adjective) not differentiated | Synonyms: uniform |
|---|
| undigested | (adjective) not digested | - |
|---|
| (adjective) not thought over and arranged systematically in the mind; not absorbed or assimilated mentally | - |
| undignified | (adjective) lacking dignity | - |
|---|
| undiluted | (adjective) not diluted | - |
|---|
| undiminished | (adjective) not lessened or diminished | Synonyms: unrelieved |
|---|
| undimmed | (adjective) not made dim or less bright | Synonyms: bright |
|---|
| undine | (noun) any of various female water spirits | - |
|---|
| undiplomatic | (adjective) not skilled in dealing with others | - |
|---|
| undiplomatically | (adverb) without diplomacy; in an undiplomatic manner | - |
|---|
| undirected | (adjective) aimlessly drifting | Synonyms: adrift, afloat, aimless, directionless, planless, rudderless |
|---|
| undiscerning | (adjective) lacking discernment | - |
|---|
| undischarged | (adjective) still capable of exploding or being fired | Synonyms: unexploded |
|---|
| (adjective) owed as a debt | Synonyms: outstanding, owing |
| undiscipline | (noun) the trait of lacking discipline | Synonyms: indiscipline |
|---|
| undisciplined | (adjective) lacking in discipline or control | Synonyms: ungoverned |
|---|
| (adjective) not subjected to correction or discipline | Synonyms: uncorrected |
| (adjective) not subjected to discipline | - |
| undisclosed | (adjective) not made known | Synonyms: unrevealed |
|---|
| undiscouraged | (adjective) not deterred | Synonyms: undeterred |
|---|
| undiscoverable | (adjective) not able to be ascertained; resisting discovery | Synonyms: unascertainable |
|---|
| undiscovered | (adjective) not discovered | - |
|---|
| (adjective) not yet discovered | Synonyms: unexplored |
| undiscriminating | (adjective) not discriminating | Synonyms: indiscriminating |
|---|
| undisguised | (adjective) plain to see | - |
|---|
| undismayed | (adjective) unshaken in purpose | Synonyms: undaunted, unshaken |
|---|
| undisputable | (adjective) not open to question; obviously true | Synonyms: incontestable, indisputable |
|---|
| undisputed | (adjective) generally agreed upon; not subject to dispute | Synonyms: unchallenged, unquestioned |
|---|
| undisputedly | (adverb) in an unarguable and undisputed manner | Synonyms: inarguably, unarguably |
|---|
| undissolved | (adjective) retaining a solid form | - |
|---|
| undistinguishable | (adjective) not capable of being distinguished or differentiated | Synonyms: indistinguishable |
|---|
| undistinguished | (adjective) not special in any way; lacking distinction | Synonyms: mine run, run-of-the-mill, run-of-the-mine, unexceptional |
|---|
| undistorted | (adjective) without alteration or misrepresentation | - |
|---|
| undistributed | (adjective) (of investments) not distributed among a variety of securities | - |
|---|
| undisturbed | (adjective) untroubled by interference or disturbance | - |
|---|
| undiversified | (adjective) not diversified | - |
|---|
| undividable | (adjective) cannot be divided without leaving a remainder | Synonyms: indivisible by |
|---|
| undivided | (adjective) not divided among or brought to bear on more than one object or objective | Synonyms: exclusive, single |
|---|
| (adjective) not parted by conflict of opinion | - |
| (adjective) not shared by or among others | - |
| (adjective) not separated into parts or shares; constituting an undivided unit | - |
| undo | (verb) cancel, annul, or reverse an action or its effect | - |
|---|
| (verb) cause to become loose | Synonyms: loosen, untie |
| (verb) remove the outer cover or wrapping of | Synonyms: unwrap |
| (verb) deprive of certain characteristics | Synonyms: unmake |
| (verb) cause the ruin or downfall of | - |
| undoable | (adjective) impossible to achieve | Synonyms: unachievable, unattainable, unrealizable |
|---|
| undock | (verb) take (a ship) out of a dock | - |
|---|
| (verb) move out of a dock | - |
| undocumented | (adjective) lacking necessary documents (as for e.g. permission to live or work in a country) | - |
|---|
| undoer | (noun) a person who destroys or ruins or lays waste to | Synonyms: destroyer, ruiner, uprooter, waster |
|---|
| (noun) a person who unfastens or unwraps or opens | Synonyms: opener, unfastener, untier |
| (noun) a seducer who ruins a woman | - |
| undogmatic | (adjective) unwilling to accept authority or dogma (especially in religion) | Synonyms: free-thinking, latitudinarian, undogmatical |
|---|
| undogmatical | (adjective) unwilling to accept authority or dogma (especially in religion) | Synonyms: free-thinking, latitudinarian, undogmatic |
|---|
| undoing | (noun) an act that makes a previous act of no effect (as if not done) | - |
|---|
| (noun) loosening the ties that fasten something | Synonyms: unfastening, untying |
| undomestic | (adjective) not domestic or related to home | - |
|---|
| undomesticated | (adjective) unaccustomed to home life | - |
|---|
| (adjective) not domesticated | - |
| undone | (adjective) thrown into a state of disorganization or incoherence | Synonyms: unstuck |
|---|
| (adjective) not fastened or tied or secured | - |
| (adjective) not done | - |
| (adjective) doomed to extinction | Synonyms: done for, ruined, sunk, washed-up |
| undoubtedly | (adverb) without doubt; certainly | Synonyms: doubtless, doubtlessly |
|---|
| undrained | (adjective) not drained | - |
|---|
| undramatic | (adjective) lacking dramatic force and quality | - |
|---|
| undramatically | (adverb) in an undramatic manner | - |
|---|
| undrape | (verb) strip something of drapery | - |
|---|
| undraped | (adjective) lacking drapery or draperies | - |
|---|
| (adjective) stripped of drapery | - |
| undrawn | (adjective) not represented in a drawing | - |
|---|
| undreamed | (adjective) not imagined even in a dream | Synonyms: undreamed of, undreamt, undreamt of, unimagined |
|---|
| undreamt | (adjective) not imagined even in a dream | Synonyms: undreamed, undreamed of, undreamt of, unimagined |
|---|
| undress | (noun) partial or complete nakedness | - |
|---|
| (verb) get undressed | Synonyms: discase, disrobe, peel, strip, strip down, uncase, unclothe |
| (verb) remove (someone's or one's own) clothes | Synonyms: disinvest, divest, strip |
| undressed | (adjective) having removed clothing | Synonyms: unappareled, unattired, unclad, ungarbed, ungarmented |
|---|
| (adjective) of lumber or stone or hides; not finished or dressed | - |
| undried | (adjective) still wet or moist | - |
|---|
| undrinkable | (adjective) unsuitable for drinking | - |
|---|
| undue | (adjective) not yet payable | - |
|---|
| (adjective) not appropriate or proper (or even legal) in the circumstances | - |
| (adjective) beyond normal limits | Synonyms: excessive, inordinate, unreasonable |
| (adjective) lacking justification or authorization | Synonyms: unjustified, unwarranted |
| undulant | (adjective) resembling waves in form or outline or motion | Synonyms: undulatory |
|---|
| undulate | (adjective) having a wavy margin and rippled surface | - |
|---|
| (verb) increase and decrease in volume or pitch, as if in waves | - |
| (verb) move in a wavy pattern or with a rising and falling motion | Synonyms: flap, roll, wave |
| (verb) stir up (water) so as to form ripples | Synonyms: cockle, riffle, ripple, ruffle |
| (verb) occur in soft rounded shapes | Synonyms: roll |
| undulation | (noun) (physics) a movement up and down or back and forth | Synonyms: wave |
|---|
| (noun) wavelike motion; a gentle rising and falling in the manner of waves | - |
| (noun) an undulating curve | Synonyms: wave |
| undulatory | (adjective) resembling waves in form or outline or motion | Synonyms: undulant |
|---|
| unduly | (adverb) to an undue degree | - |
|---|
| undutiful | (adjective) lacking due respect or dutifulness | Synonyms: impious |
|---|
| undutifulness | (noun) impiety characterized by lack of devotion to duty | - |
|---|
| undyed | (adjective) not artificially colored or bleached | Synonyms: unbleached, uncolored |
|---|
| undying | (adjective) never dying | Synonyms: deathless |
|---|
| undynamic | (adjective) characterized by an absence of force or forcefulness | Synonyms: adynamic |
|---|