no-op

noun

An instruction or operation that has no effect; a null operation.

Similar

Meanings

no-op1

nounno-op (plural no-ops)

plural no-ops

  1. computingAn instruction or operation that has no effect; a null operation.

    A JMP instruction qualifies as a no-op in this sense.

    1999, Donald Knuth, MMIXware: A RISC Computer for the Third Millennium
    1 more example

    Points may be coincident and the number of specified points can be zero, in which case the function is a no-op.

    1991, Graham C. E. Winn, OS/2 Presentation Manager GPI

    Synonyms: nop

no-op2

adjectiveno-op (not comparable)
  1. not comparableHaving chosen not to undergo sex reassignment surgery.

    Both ‘no-op’ interviewees hold relatively stable identities as TG and offer interesting perspectives on trans repudiation from a TG standpoint.

    2008, Christopher Shelley, “Introduction: Transpeople and the Problem of Re/Action”, in Transpeople: Repudiation, Trauma, Healing, Toronto: University of Toronto Press, →ISBN, page 12

    Synonyms: non-op

nounno-op (plural no-ops)

plural no-ops

  1. A transgender or transsexual person who has chosen not to undergo sex reassignment surgery.

    At the time of the interviews, nineteen of the twenty interviewees were taking hormones; five were pre-operative; thirteen were postoperative; and two were ‘no-ops’ (no surgery intended at the time of interview).

    2008, Christopher Shelley, “Introduction: Transpeople and the Problem of Re/Action”, in Transpeople: Repudiation, Trauma, Healing, Toronto: University of Toronto Press, →ISBN, page 12

    Synonyms: non-op

Synonyms & antonyms

nounAn instruction or operation that has no effect; a null operation.

Similar

adjectiveHaving chosen not to undergo sex reassignment surgery.

Similar

nounA transgender or transsexual person who has chosen not to undergo sex reassignment surgery.

Similar
Also see

Origin

no-op · noun

Short for no operation (NOP), common assembly language instruction.

Full word history & related roots →

no-op · adjective, noun

Short for no operation.

Full word history & related roots →

Translations

Vietnamese lệnh vô tác
  • lệnh vô tácinstruction or operation that has no significant effect
Cite this entry
APA

no-op. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/no-op

MLA

“no-op.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/no-op. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “no-op,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/no-op.

Source: no-op on Wiktionary, CC BY-SA 4.0.