nop
/nɒp/US/nɔp/
nop noun: a no-op; a CPU instruction that does nothing. Also the alternative form of nope.
Noun (1)
nop (plural nops)
- A no-op; a CPU instruction that does nothing.
- The MIPS instruction set is rich in nops, since any instruction with zero as a destination is guaranteed to do nothing.1999, Dominic Sweetman, See MIPS Run
- Notice that in computing CPI or IPC, we do not count any nops executed as useful instructions.2004, Patterson et al, Computer Organization and Design: The Hardware/Software Interface
- Synonyms:
- no-op
Verb (1)
nop (third-person singular simple present nops, present participle nopping, simple past and past participle nopped)
- To replace machine code with nop instructions when modifying software.
- For example, if there is a CALL 3140 and we want to skip this call, we can NOP it out.1992, The Cyborg, The Cracking Manual
- Worse, some patching can result in codes which cannot be executed: for example nopping the load which provides the value for the denominator of a division can result in a division by zero.2012, Michael W. Berry, Kyle A. Gallivan, Efstratios Gallopoulos, High-Performance Scientific Computing: Algorithms and Applications
Noun (2) capitalized: NOP
NOP (plural NOPs)
- Alternative letter-case form of nop.
Verb (2) capitalized: NOP
NOP (third-person singular simple present NOPs, present participle NOPing, simple past and past participle NOPed)
- Alternative letter-case form of nop.
Proper noun (1) capitalized: NOP
NOP
- The station code of North Point in Hong Kong.
Proper noun (2) capitalized: Nop
Nop (plural Nops)
- A surname.
Also used as
nop is also the alternative form of nope.
Synonyms of nop
Forms of nop
| Noun | |
|---|---|
| plural | nops |
| alternative form | NOP |
| plural | NOPs |
| Verb | |
| third-person singular present | nops |
| present participle | nopping |
| past participle | nopped |
| past | nopped |
| third-person singular present | NOPs |
| present participle | NOPing |
| past participle | NOPed |
| past | NOPed |
| Proper noun | |
| plural | Nops |
Words formed from nop
Phrases with nop
Words that rhyme with nop
44 more rhymesFewer rhymes
Questions about nop
- What does nop mean?
- Nop means a no-op; a CPU instruction that does nothing.
- What part of speech is nop?
- Nop can be a noun, a verb or a proper noun.
- How do you pronounce nop?
- Nop is pronounced /nɒp/ (UK).
- What is the plural of nop?
- The plural of nop is nops.
Words near nop in the dictionary
Source and license
Adapted from Wiktionary: nop (page history and authors); NOP (page history and authors); Nop (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-nop.wav.
Cite this entry: “nop.” Word.ws, https://word.ws/nop. Based on Wiktionary, CC BY-SA 4.0.