inconstant

Definitions

Frequently changing; fickle or variable.

Not staying the same throughout; changeable or unstable.

Examples

The inconstant weather made it difficult for us to plan an outdoor wedding.

His inconstant behavior left his friends unsure of where they stood with him.

The moon's inconstant glow flickered behind the shifting clouds.

Synonyms

fickle capricious mercurial unstable changeable erratic volatile

Antonyms

constant steadfast stable reliable consistent dependable unwavering