Whīle1, n.
(hwīl), n. [A-S. hwīl, O. Sax. huīl, huîla, O. Fries. hwîle, wîle, M. H. & L. Ger. wîle, D. wijle, weil, Icel. & Sw. hvila, Dan. hvile, Goth. hveila, O. H. Ger. hwîla, wîla, N. H. Ger. weile.] Space of time, or continued duration; time; as, one while we thought him innocent.
Like some poor, nigh-related guest, That may not rudely be dismissed, Yet hath outstaid his welcome while, And tells the jest without the smile. Coleridge.
Worth while, worth the time which it requires; worth the time and pains; hence, worth the expense; as, it is not always worth while for a man to prosecute for small debts.