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Definitions

changeable

[cheyn-juh-buhl] / ˈtʃeɪn dʒə bəl /
ADJECTIVE
erratic
Synonyms
STRONGEST
capricious fickle fluctuating mercurial protean shifting unpredictable unsettled unstable varying volatile
STRONG
changeful mutable
WEAK
agitated commutative convertible fitful flighty fluid impulsive inconstant indecisive irregular irresolute irresponsible kaleidoscopic mobile movable permutable restless reversible revocable skittish spasmodic transformable transitional uncertain unreliable unsteady vacillating vagrant variable variant versatile wavering whimsical
Antonyms
STRONGEST
calm constant stable steadfast steady unvarying
WEAK
certain changeless fixed lasting reliable sure unchangeable undeviating

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The rest of this week will be changeable and at times unsettled.

From BBC • Mar. 25, 2026

In a speech to lawmakers Thursday, European Central Bank President Christine Lagarde said exporters continue to have greater difficulty finding overseas buyers, due in part to changeable policy in the U.S.

From The Wall Street Journal • Feb. 26, 2026

While the brain remains changeable throughout life, the window from age nine to 32 represents a prime opportunity for structural growth.

From Science Daily • Feb. 19, 2026

Sure, it’s more expensive, but “refundable or changeable tickets provide far more peace of mind if delays become widespread,” he noted.

From MarketWatch • Oct. 8, 2025

But he felt certain he was right that species were changeable, and were changing.

From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.