conjunction
either, either...or
B1
Entweder is a correlative conjunction meaning 'either' or used in the pattern 'either...or' (entweder...oder) to present alternatives. It introduces one of two options; often paired with oder. It can stand alone as 'either' in colloquial speech, but commonly appears in paired constructions for clarity.
Examples
Du kannst entweder Tee oder Kaffee haben.
You can have either tea or coffee.
Entweder senkte die Firma die Preise, oder die Verkäufe blieben niedrig, obwohl die Werbung intensiv war.
Either the company lowered the prices, or sales remained low, although the advertising was intensive.
Entweder du kommst jetzt, oder du verpasst den Film.
Either you come now, or you'll miss the movie.
Details
Mnemonics
Imagine two doors with a sign 'entweder / oder' above them, showing two choices
Sounds like 'enter-either' — choose one entrance or the other
Notes
Often used in the correlative pair 'entweder ... oder' to present two alternatives. It can stand alone in colloquial speech but typically pairs with 'oder'.