lasting forever or for a very long time

or

constant; continuing without interruption

to walk quickly with long steps (v)

or

a long step (n)

or

steps forward; progress (n)

to move unsteadily, as if about to fall or collapse

staying in one place; not moving around much

having quick and skillful movements

or

having a quick and skillful mind

to mix or join with others

to stay for a while before leaving

to run hurriedly with quick, short steps

to walk in a slow, relaxed manner