To arrive and depart again (either once or repeatedly); (hence also) to go here and there, to move around freely. Cf. to go and come at phrases 1b(a).

intransitive. To bob up and down or swing from side to side; to wobble.

intransitive. To move to and fro. Cf. ply, v.2 11. Obsolete.

intransitive. To move to and fro on the surface of rippling or boiling water; to bob. Also figurative. Now rare.

Of things inanimate: To bob up and down on the ground, on the surface of water, in the air, etc. Often with personification or figurative…

intransitive. To move up and down like a buoyant body in water, or an elastic body on land; hence, to dance; to move to and fro with a similar…

intransitive. To use shifts or changes of position (with a person, etc.), so as to baffle or catch him. Obsolete.

intransitive. To move to and fro, to wave. Obsolete.

intransitive. To move backwards and forwards in a straight line; to oscillate (now Mechanics). Also in extended use: †to rise and fall, to vary (obs…

To bob up and down; to proceed by clumsy bounds.

intransitive in the same sense.

intransitive. To move like a piston, esp. in a swift, forceful, or repetitive manner.

figurative. To move up and down, or between one point and another; to fluctuate.