Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “boot”


verb [I or T]     /buːt/ (also boot up)
IT when a computer boots or is booted, it loads its operating system and starts working : The PC should now boot from the CD-ROM drive and the installation will begin . Boot up your computer and log onto your company's intranet .
(Definition of boot verb from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of boot

Definitions of “boot” in other dictionaries

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

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