English English

not known, established, or decided beyond doubt; doubtful not able to be relied on; not known or definite; not having reliable knowledge not sure or confident about something; not clearly known or decided

causing physical discomfort, unease, or awkwardness causing or feeling slight pain or physical discomfort; making someone feel embarrassed, awkward, or anxious causing or feeling physical or emotional discomfort

in a stressful or demanding situation where quick, accurate results are urgently expected; in a state of stress or facing urgent demands and expectations

situated, occurring, or operating beneath the surface of the water

feeling anxious, uncomfortable, or apprehensive worried; anxious; uncomfortable; restless

not fair, just, or equal not right or just; treating people in a way that favors some over others not based on or behaving according to the principles of equality or justice; not right or just; treating people in a way that favors some over others not based on or behaving according to the principles of equality or justice

impossible to forget; highly memorable

used to say that something is sad, unlucky, or disappointing used to express regret or disappointment about something used to express regret or disappointment about something that has happened or is going to happen

not happy; sad, displeased, or sorrowful not happy; feeling sad or displeased; unfortunate or undesirable not happy; sad, disappointed, or dissatisfied

harmful to health or not having good physical well-being harmful to health; not in good health; detrimental to well-being

special clothes worn by members of a group; also the same everywhere consistent; identical; standardized consistent or the same in form, manner, or degree; consistent; identical; standardized consistent or the same in form, manner, or degree

not significant, necessary, or possessing little importance not having much value, significance, or influence

one part of a course, book, system, or measurement an individual thing or person regarded as a single and complete entity

a place of higher education where people study for degrees an institution of higher education and research, which grants academic degrees; an institution of higher education and research, which grants academic degrees

not known or not identified not known or identified; unfamiliar not known or familiar; not known or identified; unfamiliar not known or familiar

different from someone or something different from; not similar to differing from or not similar to

not needed; more than is necessary not needed; not required; pointless not needed or required

not pleasant, attractive, or enjoyable; disagreeable not giving or causing pleasure; disagreeable

not common, normal, or expected not typical; strange; different from what is normal not common or ordinary; remarkable or exceptional; not typical; strange; different from what is normal not common or ordinary; remarkable or exceptional

on; used in formal or story-like English, and in fixed phrases on or immediately after

unhappy, worried, or angry; to make someone feel this way to make someone worried, sad, or angry; to disturb To make someone unhappy, worried, or angry.

situated on or relating to an upper floor of a building on or to an upper floor of a building; the upper floor or floors on or to a higher floor of a building

helpful; good for a particular purpose having a beneficial purpose; practical having a practical or beneficial use; having a beneficial purpose; practical having a practical or beneficial use

normal or happening most of the time habitually or typically occurring or done