practicing with (verb) experiment: investigate, test
Sinonime: burn daylight, dally,
dawdle,
delay, dillydally, fiddle about, fritter away time, goof off, kill time,
linger,
loiter, lollygag, lose time, pass the time, piddle,
procrastinate, shilly-shally, take one's own sweet time, take one's time,
tarry, while away the time