unsteadfast

To pass along the trunk, rendered slippery by the wet and unsteadfast by the wind, was imminently dangerous.

Some old tales evince it in the unsteadfast purpose of the narrative, the hero quite forgetting the initial motive of his action.

Black-coloured the unsteadfast comrade; white the man whose thoughts keep troth.

I heard them breathing but a moment since, But now they are gone, being unsteadfast things.

Morton translates false reckoning, which hardly comes under the head of unsteadfast belief; fals takynges P.