"unscheduled" means: Not scheduled; impromptu.. This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.
unscheduled
Not scheduled; impromptu.
Seen in the wild
4 citations · last seen May 2026
Seen in the wild
BlueskyMay 2026
Pax River’s Gate 1 will close for unscheduled maintenance from 9:30 a.m. to 10 a.m. Wednesday, May 6. Gate 2 will be open for inbound/outbound traffic at that time.
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BlueskyMay 2026
"Oh hey remember those refineries we had to take down for unscheduled maitenance that are The One True Reason gas is expensive right now? Okay so, you're gonna hate us but we catastrophically fucked that up and made e…
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BlueskyMay 2026
Is an honor to make an unscheduled appearance!
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BlueskyMay 2026
tomorrow is now a previously unscheduled rest day
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Definitions
#1·Apr 27, 2026
Not scheduled; impromptu.
RUD stands for “rapid unscheduled disassembly” – a fancy way to say “crashed.”
For parents
"unscheduled" means: Not scheduled; impromptu.. This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.
For ESL learners
"unscheduled" means: Not scheduled; impromptu.. Register: neutral, standard English, usable in most everyday contexts. A common non-native mistake is to use the word in the wrong register, or to assume one fixed meaning when it is actually polysemous; always check the surrounding register and the audience before producing it yourself. In formal writing, prefer a neutral synonym or a short descriptive phrase, and use this word only when you have heard or read it being used naturally in a comparable context.
Heard in the wild
“Pax River’s Gate 1 will close for unscheduled maintenance from 9:30 a.m. to 10 a.m. Wednesday, May 6. Gate 2 will be open for inbound/outbound traffic at that time.”
— Bluesky· May 2026
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#2·Apr 27, 2026
(India) Not scheduled in the political sense.
RUD stands for “rapid unscheduled disassembly” – a fancy way to say “crashed.”
Heard in the wild
“"Oh hey remember those refineries we had to take down for unscheduled maitenance that are The One True Reason gas is expensive right now? Okay so, you're gonna hate us but we catastrophically fucked that up and made everything way worse. Gas is going to shoot up another $0.40c"”
— Bluesky· May 2026“Is an honor to make an unscheduled appearance!”
— Bluesky· May 2026“tomorrow is now a previously unscheduled rest day”
— Bluesky· May 2026
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For specific readers
Why is this section here?
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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Other words near "unscheduled" (U)
unrankedunranked checkunranked energyunranked godunranked modeunreserveunsendunseriousunserious arcunserious checkunserious codedunserious core
Browse all slang words starting with U.