Non-op

//nɒnˈɒp// adj, noun, slang

adj, noun, slang ·Moderate ·College level

Definitions

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

    "It is interesting that Galatea makes reference to some encouragement from "post-op" transsexuals, though other "non-ops" advise surgical candidates to reconsider their decision."

  2. 2
    A nonoperator; a rail worker not directly involved in the mechanical operation of trains. informal

    "For example, in the fall of 1973, when we had a rail strike, the government brought in legislation putting the non-ops back to work at an increase of only 30 cents an hour […]"

Adjective
  1. 1
    Nonoperational; not functioning. informal, not-comparable

    "Why he had taken refuge in the chapel, he didn't know. His mind had been non-op for a long time now and he just let the impulses flow."

  2. 2
    Nonoperative; not using or requiring surgical treatment. informal, not-comparable

    "Richt says the surgery should help speed Samuel's recovery. "It was debatable on whether it could have been non-op or not, but this will absolutely stabilize it immediately and allow him to get stronger quicker," Richt said."

  3. 3
    Having chosen not to undergo sex reassignment surgery. informal, not-comparable

    ""Just so you know, Vincent, I was a pre-op transsexual. But after my breasts grew and my hips got wider, I was happy with what I had and decided to go non-op.""

  4. 4
    Nonoperating; not directly involved in the mechanical operation of trains. informal, not-comparable

    "About 200000 "non-op" workers - clerks, telegraphers, machinists, and others not actually involved in operation of the roads - are not union members."

Example

More examples

"Why he had taken refuge in the chapel, he didn't know. His mind had been non-op for a long time now and he just let the impulses flow."

Etymology

From non- + op (“an operation; an operator; operational; operative; operating”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.