adjective
hot, very hot
A2
'heiß' is an adjective meaning hot or very hot. It’s gradable: comparative heißer, superlative am heißesten. Used attributively and predicatively (e.g., die heiße Suppe, Die Suppe ist heiß). Antonyms include kalt and kühl. Note spelling with ß; regular strong/weak adjective endings apply depending on article.
Examples
Heute ist es draußen sehr heiß.
It's very hot outside today.
Die Suppe war heiß, obwohl die Köchin sie kurz zuvor hatte abkühlen lassen.
The soup was hot, although the cook had let it cool for a short time beforehand.
Der Kaffee ist zu heiß zum Trinken.
The coffee is too hot to drink.
Details
Mnemonics
Picture a cup labeled 'heiß' with steam rising.
heiß sounds like 'hice' — imagine something steaming.
Notes
Comparative: heißer; superlative: am heißesten. Also used figuratively (e.g., a 'hot' topic).