U or U.

1. Unionist
2. United
3. Universal, (a certificate designating) a film that people of any age are allowed to see
4. University

U (chem)

Uranium

U¹ or u /ū/

1. The twenty-first letter in the modern English alphabet, with various sounds, as in rule, put, but, and the diphthongal sound that serves as the name of the letter
2. Anything shaped like the letter U

—U derived from V, a form of Y which the Romans borrowed from the Greeks. From V, the lapidary and capital form, the uncial and cursive forms U and u were developed, with V (used until modern times initially) gradually becoming appropriated as the symbol for the consonant sound (see V) and the medial form u as the symbol for the vowel

Uˈ-bend noun

An air-trap in the form of a U-shaped bend in a pipe

Uˈ-bolt, Uˈ-trap, Uˈ-tube noun

A bolt, drain-trap and tube bent like the letter U

Uˈ-shaped adjective

Uˈ-turn noun

1. A turn made by a vehicle which reverses its direction of travel, crossing into the flow of traffic on the other side of the road
2. Any reversal of direction (figurative)

U² /oo/

A Burmese title of respect, prefaced to a man's name

U³ /ū/ (informal)

1. (of words, behaviour, etc) as used by or found among the upper classes, hence socially acceptable
2. Upper-class, opp to non-U

• hijinks
• hijra
• hijrah
• hijrahs
• hijras
• hike
• hiked
• hiker
• hikers
• hikes
• hikikomori
• hiking
• hila
• hilar
• hilarious
• hilariously
• hilarities
• hilarity
• Hilary term
• hilch
• hilched
• hilches
• hilching
• hild
• Hildebrandic