adjective

1. different; other somebody else
2. in addition; more is there anything else?

Etymology: ME & OE elles, adv. gen. of n. base el-, other (as in OE el-land, foreign land), akin to Goth aljis, OHG elles, of same formation < IE base *al-, that, yonder one > L alius, another, alienus, belonging to another, Gr allos, other

adverb

1. in a different or additional time, place, or manner; differently; otherwise where else can I go?
2. if not study, (or) else you will fail