Synonyms of unplanned

unplanned

adjective

ˌən-ˈpland 

1

as in accidental

happening by chance

an unplanned change in our itinerary—we got lost!

Synonyms & Similar Words

• accidental
• unexpected
• chance
• inadvertent
• unintended
• incidental
• unintentional
• fortuitous
• unpremeditated
• casual
• unwitting
• odd
• flukey
• random
• unforeseen
• fluky
• haphazard
• arbitrary
• coincidental
• aimless
• unforeseeable
• uncertain
• freak
• desultory
• involuntary
• unconscious
• forced
• unprompted
• coerced

Antonyms & Near Antonyms

• planned
• intentional
• deliberate
• premeditated
• intended
• inevitable
• calculated
• predictable
• certain
• foreseeable
• foreseen
• destined
• fixed
• expected
• set
• sure
• prescribed
• predetermined
• premeditative
• prepense
• conscious
• voluntary
• wilful
• preordained
• predestined
• volunteer
• unforced
• willful
• knowing
• foreordained
• freewill

2

as in impromptu

made or done without previous thought or preparation

stumbled through a completely unplanned acceptance speech

Synonyms & Similar Words

• impromptu
• improvised
• improvisational
• spur-of-the-moment
• unprepared
• unrehearsed
• extemporaneous
• unconsidered
• spontaneous
• unpremeditated
• unauthorized
• unstudied
• extemporary
• extempore
• ad hoc
• off-the-cuff
• informal
• offhand
• snap
• offhanded
• ad-lib
• automatic
• unscripted
• down and dirty
• impulsive
• instinctive
• involuntary
• ill-advised
• casual
• cursive
• half-baked
• half-cocked

Antonyms & Near Antonyms

• planned
• prepared
• premeditated
• rehearsed
• intentional
• deliberate
• considered
• intended
• premeditative

Examples of unplanned in a Sentence

Recent Examples on the Web

The new legislation was inspired by findings from the state’s Division of Petroleum Market Oversight that showed that gas price spikes are largely caused by increases in global crude oil prices and unplanned refinery outages. —Sophie Austin, Fortune, 15 Oct. 2024

While the Sage Women’s Center promises to protect the information of its clients, it isn’t bound by medical privacy laws and may be misleading women who are coping with unplanned pregnancies, consumer advocates say. —Abigail Brooks, NBC News, 13 Oct. 2024

Dana Carvey says smashing ice cream into Maya Rudolph's face on SNL was unplanned: 'Did it within 2 seconds' Doug Emeroff has expressed approval of Andy Samberg's impression — so has Kamala Harris regarding Rudolph's portrayal of her. —Andy Hoglund, EW.com, 13 Oct. 2024

During the design phase, an unplanned open space was introduced, intended to be a place where workers could gather and relax away from desks and cubicles. —Chris Gallagher, USA TODAY, 5 Oct. 2024