Else Definition

ĕls

adjective

Different; other.

Somebody else.

Webster's New World

Additional; more.

Would you like anything else?

American Heritage

In addition; more.

Is there anything else?

Webster's New World

Synonyms:

adverb

In a different or additional time, place, or manner; differently.

Where else can I go?

Webster's New World

Otherwise; if not.

Study, else you will fail.

Webster's New World

conjuntion

Then the Wronskian of f and g must be nonzero, else they could not be linearly independent.

Wiktionary

(computing, in many programming languages and pseudocode) But if the condition of the previous if clause is false, do the following.

If (edits.Count == 0) { NoEditsLabel.Visible = true; }

Else { EditHistory.Show(edits); }

Wiktionary

Idioms, Phrasal Verbs Related to Else

From Middle English, from Old English elles (“other, otherwise, different”), from Proto-Germanic *aljas (“of another, of something else”), genitive of *aljaz (“other”), from Proto-Indo-European *h₂elios, *al- (“other”, pronoun). Cognate with Old Frisian elles (“other”), Old High German elles, ellies (“other”), Danish eller (“or”), Danish ellers (“otherwise”), Swedish eljes, eljest (“or else, otherwise”), Norwegian elles (“else, otherwise”), Gothic (aljis, “other”), Latin alius (“other, another”), Ancient Greek ἄλλος (állos), αἶλος (ailos) (Arcadocypriot), (Modern Greek αλλιώς (alliós, “otherwise, else”)).

From Wiktionary
Middle English elles from Old English al-¹ in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition