u/s

A form of unserviceable — Unusable; of no use.

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Meanings

u/s1

adjectiveu/s (not comparable)
  1. abbreviationnot comparableAbbreviation of unserviceable.
noun
  1. abbreviationactingAbbreviation of understudy.
  2. abbreviationmedicineAbbreviation of ultrasound.

U/S2

adjectiveU/S (not comparable)
  1. abbreviationnot comparableAbbreviation of unserviceable or unfit for service (World War II).
noun
  1. abbreviationmedicineAbbreviation of ultrasound.

Synonyms & antonyms

Also see
unserviceable
Cite this entry
APA

u/s. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/u%2Fs

MLA

“u/s.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/u%2Fs. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “u/s,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/u%2Fs.

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