WHILE
—none. Period of time (a long while ago; waited a while; all this while). —conj. 1 during the time that; for as long as; at the same time as (while i was away, the house was burgled; fell asleep while reading). 2 in spite of the fact that; whereas (while i want to believe it, i cannot). —verb. (-ling) (foll. By away) pass (time etc.) In a leisurely or interesting way. —rel. Adv. (prec. By time etc.) During which (the summer while i was abroad). ? between whiles in the intervals. For a while for some time. In a while soon. The while in the meantime. Worth while (or worth one`s while) worth the time or effort spent. [old english] usage worth while (two words) is used only predicatively, as in thought it worth while to ring the police, whereas worthwhile is used both predicatively and attributively.