Find Synonyms

unpredictable Synonyms

Another word for unpredictable

Choosing another word for unpredictable depends on context, so the 25 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
JUMP TO:

• adjective (Context 1)

Not able to be foreseen, known, or declared in advance; subject to sudden or unexpected change.

Usage Example

"Mountain weather is notoriously unforeseeable, so hikers should always pack extra layers."

Strongest
unforeseeable
uncertain
Strong
variable
changeable
inconstant
unstable
chance
random
touch-and-go
Weak
hit-or-miss

• adjective (Context 2)

Behaving in a way that is erratic, volatile, or impossible to anticipate (of a person or animal).

Usage Example

"The stray dog was too erratic to be placed in a home with young children."

Strongest
erratic
mercurial
capricious
Strong
volatile
fickle
temperamental
flighty
whimsical
unreliable
impulsive

• noun (Context 3)

Something or someone that cannot be predicted or foreseen (usually used in the plural).

Usage Example

"The project budget includes a contingency fund to cover any unpredictables that arise during construction."

Strongest
unknown
Strong
uncertainty
variable
contingency
wild card
imponderable

Opposites of unpredictable

The opposite of unpredictable shifts depending on context. Common opposites include:

predictable
dependable
reliable
foreseeable
steady
expected
certainty
consistent
See all opposites of unpredictable

• Nearby Words

unprecedented
unprecedentedly
unpredictability
unpredictable
unpredictably
unpredicted
unpreferred

Cite this Entry

Wordmom. (2026). Synonyms for Unpredictable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unpredictable
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.