long o

noun

The vowel sound /əʊ/, as in the words "cone" and "note". (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 coning versus conning).

Opposite
short o
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Meanings

nounlong o (plural long o's)

plural long o's

  1. human sciencesThe vowel sound /əʊ/, as in the words "cone" and "note". (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 coning versus conning).

    Antonyms: short o

Synonyms & antonyms

nounThe vowel sound /əʊ/, as in the words "cone" and "note". (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 coning versus conning).

Opposite
short o
Cite this entry
APA

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

MLA

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

Chicago

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

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