long u

noun

The sound /juː/, as in the words "cube" and "mute". (The presence of a long vowel is often signaled in spelling by a silent e that follows it, as in the examples here, or by the fact that a subsequent consonant is single rather than doubled, as for example in cubing versus cubbing).

Opposite
short u
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Meanings

nounlong u (plural long ues or long u's)

plural long ues · plural long u's

  1. human sciencesThe sound /juː/, as in the words "cube" and "mute". (The presence of a long vowel is often signaled in spelling by a silent e that follows it, as in the examples here, or by the fact that a subsequent consonant is single rather than doubled, as for example in cubing versus cubbing).

    Antonyms: short u

Synonyms & antonyms

nounThe sound /juː/, as in the words "cube" and "mute". (The presence of a long vowel is often signaled in spelling by a silent e that follows it, as in the examples here, or by the fact that a subsequent consonant is single rather than doubled, as for example in cubing versus cubbing).

Opposite
short u
Cite this entry
APA

long u. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/long%20u

MLA

“long u.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/long%20u. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “long u,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/long%20u.

Source: long u on Wiktionary, CC BY-SA 4.0.