What does "unsteadfast" mean?

Not steadfast; wavering, unfaithful.

What is a synonym for "unsteadfast"?

Common synonyms include: adrift, afloat, alternating, amorphous, capricious, changeable.

adj

adj ·Uncommon ·College level

Adjective

Inherited from Middle English unstedefast, from Old English unstædefast; equivalent to un- + steadfast.