else / els/ • adv. 1. in addition; besides: anything else you need to know? 2. different; instead: isn't there anyone else you could ask? PHRASES: or else used to introduce the second of two alternatives: she felt tempted either to shout at him or else to let his tantrums slide by. ∎ in circumstances different from those mentioned; if it were not the case: they can't want it, or else they'd request it. ∎ used to warn what will happen if something is not carried out: you go along with this or else you're going to jail. ∎ used after a demand as a threat: she'd better shape up, or else.