Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “steam (sth) up”

steam (sth) up

phrasal verb with steam     /stiːm/ verb
If glass steams up, or if you steam it up, it becomes covered in steam : The mirror in the bathroom steamed up.Clouds, dew, fog and steam
(Definition of steam (sth) up from the Cambridge Learner's Dictionary © Cambridge University Press)

Translations of “steam (sth) up”

Word of the Day

prenuptial agreement

an official document signed by two people before they get married that says what will happen to their possessions and/or children if they divorce (= officially stop being married)

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More