In a fickle manner, variably, inconstantly, †deceitfully.

= inconstantly, adv.

In a changeful, varying, or inconstant manner.

figurative. (In predicative use, passing into adjective.) Varying, changeable, unstable. Now also often in sense ‘of varying quality’.

quasi-adv. Ticklishly; in a ticklish or easily moved state; unsteadily; delicately. Now rare.

In an unsteady manner; without control or balance in one's movements; (figurative) hesitatingly, falteringly. Obsolete.

The action of floating or †swimming. †Formerly also: the condition of floating or of being on the water; esp. in on (rarely at) float = afloat, adv.…

in a faltering or unsteady manner.

See quot.

With a rocking or swaying motion; uncertainly, shakily, unsteadily.