English words starting with U

not good enough, or not acceptable

feeling that something is not enough or not good enough

not providing satisfaction or fulfilment; disappointing or inadequate.

(of an organic compound, especially a fat or oil molecule) having double or triple bonds between carbon atoms and therefore capable of combining with hydrogen or other atoms.

(of data or changes) not preserved in a permanent storage medium; lost when a program is closed or a device is powered off.

unpleasant or morally offensive

to retract or take back (something that has been said)

not able to be said or expressed in words, especially because it is too shocking, painful, or difficult.

Not bearing any scars; not marked or damaged by wounds or injuries.

not harmed or injured

Having no added perfume or fragrance; not having a noticeable smell.

Not planned or expected to happen at a particular time; not included in a schedule.

not educated or trained in a formal way, especially in a school or institution.

not based on or using scientific methods or principles; lacking scientific rigour.

To restore (something scrambled or mixed up) to a clear or ordered state.

not examined or evaluated, especially to filter out undesirable elements.

to remove or loosen something by turning it

not planned or prepared in advance; spoken or performed without a script.

Having or showing no moral principles; not honest or fair.

the quality or state of having no moral principles; being dishonest or unfair.

to open or make accessible by breaking or removing a seal.

Not closed or fastened with a seal.

(of weather) not typical of the time of year; unusually cold, hot, wet, etc.

In a way that is unusual or not typical for the time of year

not typical of or appropriate for the time of year

(of food) not flavored with salt, pepper, or other spices.

To remove someone from a position of power or authority, especially in an election.

not made secure or safe

not able to be seen; invisible.

(of a player or team) not given a ranking or favorable position in a sports tournament draw.

Not noticing or observing something; looking at something without consciously registering it.

(of behavior or actions) not proper or appropriate for the situation.

not seen or noticed

Not chosen or picked out from a group.

not feeling nervous or embarrassed about your appearance or actions because you are not thinking about how other people see you; natural and relaxed

in a natural and relaxed way, without worrying about what other people think of your actions or appearance

concerned more with the needs and happiness of others than with your own; generous and kind

in a way that shows you care more about other people's needs, wishes, etc. than about your own

The quality of being concerned more with the needs and happiness of others than with your own; lack of selfishness.

not influenced by or showing feelings of tenderness, sadness, or nostalgia; practical and realistic.

not serious in character, attitude, or intent; lacking earnestness or importance.

to make someone feel anxious, nervous, or upset

not calm, stable, or fixed; uncertain or anxious.

causing anxiety or uneasiness; disturbing

not sexually attractive or appealing.

freed from shackles or restraints; liberated.

not provided with shade; exposed to direct light.

impossible to weaken or destroy; extremely firm and certain

in a firm and resolute manner that cannot be weakened or changed

(of a belief, feeling, etc.) so strong that it cannot be destroyed or changed

not disturbed or weakened; firm and resolute, especially in belief or determination.

not having a definite or regular shape or form.

Not shared; possessed, experienced, or done by one person alone.

Not having had the hair of the face or body removed by shaving.

(of a man) not having shaved recently; having short hairs growing on the face.

to draw or pull a weapon, especially a sword or knife, out of its sheath or covering.

(of a blade or weapon) removed from its protective covering.

(of tears) not yet shed or poured out

Not having a shell removed or taken off.

not protected or covered by a shield

Unpleasant or unattractive to look at.

Not bearing a signature.

not able to be sunk.

Not smiling; having a serious or stern facial expression.

not enjoying the company of other people; not friendly

Not having been sold.

given or sent without being asked for

not able to be solved or explained.

not having been solved or answered

lacking refined worldly knowledge or tastes; not complicated or highly developed; basic.

not sorted or arranged in any particular order.

Not searched for or requested; not sought after.

Not safe or robust; in poor condition.

Not showing mercy or pity; severe.

Too bad or extreme to be expressed in words

To an extreme degree; in a way that is impossible to describe adequately.

Not having a specific function or structure; not adapted for a particular purpose.

Not detailed, exact, or precise; not relating to a single, defined thing.

not stated clearly or exactly; not having been specified

Not visually impressive or striking; ordinary and not attracting special attention.

(of money, time, energy, etc.) not yet used or spent

(of a place) not changed or damaged by people, and often beautiful because of this.

not stated or expressed in words, but understood or implied

not behaving in a fair, generous, or polite way, especially in a sports competition.

Not marked with spots; free from stains or blemishes.

Likely to change or fail; not firmly fixed or steady.

not marked or colored with a stain; free from stains.

not conforming to a fixed or commonly accepted standard; not standardized.

not said or expressed, though perhaps implied or understood.

In a way that is not firm, stable, or regular; in a shaky or wavering manner.

the quality or state of not being steady, firm, or stable; a tendency to shake or move.

not firmly fixed, supported, or balanced; likely to fall or shake

given or giving without restraint; unsparing.

In a very generous way, without holding back or being limited

impossible to stop or prevent

in a manner that cannot be stopped or prevented

To loosen or remove the strap or straps from something or someone.

not feeling or showing the effects of stress or worry

Not having been stretched; in a relaxed or natural state.

Lacking a clear structure or organization; not formally planned or arranged.

emotionally upset or distressed

no longer stuck or attached; freed from being fixed in place.

(of a manner or quality) natural and unaffected; not contrived or artificial.

not filled with stuffing or a filling.

not receiving financial aid or support from a government or other organization.

not supported or proven by evidence

not subtle; lacking in delicacy, tact, or refinement; obvious or blatant.

Not achieving a desired goal or outcome; not successful.

In a manner that does not achieve a desired aim or outcome.

The state or fact of not being right or appropriate for a particular person, purpose, or situation.

Not fitting or appropriate for a particular purpose or situation.

not having the qualities or skills necessary to do something effectively; not appropriate for a particular purpose or situation.

not spoiled or made impure; remaining clean, pure, or untarnished.

Not celebrated or praised, especially in song or poetry.

Not watched, directed, or managed by a person in authority.

Not able to be endured or tolerated.

Not supported physically; lacking a base or structure to hold something up.

Not providing encouragement or emotional help.

not certain or confident about something

impossible to surpass or exceed; the best possible.