| Meaning | Explication | Aliases | Taxon | |
|---|---|---|---|---|
| udder | organ formed of the mammary glands of female quadruped mammals, particularly ruminants such as cattle, goats, sheep and deer | Body parts | Show shifts | |
| ugly, unpleasant | displeasing to the eye; not aesthetically pleasing | Evaluation | Show shifts | |
| umbel | flat-topped or rounded flower-cluster (= inflorescence) in which the individual flower stalks arise from the same point, the youngest flowers being at the centre | N/a | Show shifts | |
| umbrella | cloth-covered frame used for protection against rain or sun | Artifacts | Show shifts | |
| unbroken horse | not tamed horse | N/a | Show shifts | |
| uncle | Human being | Show shifts | ||
| uncle (father's brother) | N/a | Show shifts | ||
| uncle (father's sister's husband) | N/a | Show shifts | ||
| uncle (mother's brother) | N/a | Show shifts | ||
| uncle (mother's sister's husband) | N/a | Show shifts | ||
| uncultivated, unprocessed | N/a | Show shifts | ||
| under age | Time | Show shifts | ||
| under, below | N/a | Show shifts | ||
| undercooked | insufficiently cooked, so as to be unpalatable or inedible | N/a | Show shifts | |
| underground, subterranean | Other physical | Show shifts | ||
| underwear | clothes worn next to the skin, underneath outer clothing | Artifacts | Show shifts | |
| undiluted | N/a | Show shifts | ||
| unexpected | Non-physical | Show shifts | ||
| unfair | not fair, unjust | N/a | Show shifts | |
| unfaithful, adulterous | N/a | Show shifts | ||
| unforested, treeless place | open place, without a forest | N/a | Show shifts | |
| unfunny | Non-physical | Show shifts | ||
| unimportant, slight | None | Evaluation | Show shifts | |
| uninhabited (place) | None | Natural objects | Show shifts | |
| union | state of being united or joined | Body parts | Show shifts | |
| unique | being the only one of its kind; unequaled, unparalleled or unmatched | N/a | Show shifts | |
| unit of area | N/a | Show shifts | ||
| unit of length | Space | Show shifts | ||
| unit of speed | N/a | Show shifts | ||
| unknown | N/a | Show shifts | ||
| unleavened (bread) | without any yeast or other raising agent | N/a | Show shifts | |
| unlucky | unfortunate, marked by misfortune | N/a | Show shifts | |
| unmarried | having no husband or wife | Non-physical | Show shifts | |
| unpleasant | Evaluation | Show shifts | ||
| unpleasant place | N/a | Show shifts | ||
| unprofitable | not making a profit | N/a | Show shifts | |
| unreliable | N/a | Show shifts | ||
| unripe (fruit) | Non-physical | Show shifts | ||
| unskillful | not skillful | N/a | Show shifts | |
| unusual | out of the ordinary | N/a | Show shifts | |
| upper arm | section of an arm from the elbow to the shoulder | N/a | Show shifts | |
| upper part (of a leg) | N/a | Show shifts | ||
| upper reach (of river) | part of the river close to its source; the area adjacent to it. | N/a | Show shifts | |
| upriver | towards the source of a river, against the current. | N/a | Show shifts | |
| upside down | N/a | Show shifts | ||
| urban | related to the (or any) city | Non-physical | Show shifts | |
| urgent | requiring immediate attention | Evaluation | Show shifts | |
| urinary bladder | elastic, muscular sac situated in the pelvic cavity, into which urine from the kidneys is temporarily stored prior to disposal by urination | N/a | Show shifts | |
| urine | liquid waste consisting of water, salts and urea, which is made in the kidneys, stored in the bladder, then released through the urethra | Natural objects | Show shifts | |
| useless thing | Artifacts | Show shifts | ||
| usual | N/a | Show shifts | ||
| uterus | N/a | Show shifts | ||
| uvula | the fleshy appendage that hangs from the back of the soft palate, that closes the nasopharynx during swallowing | N/a | Show shifts |