Did you know?

Click any word in a definition or example to find the entry for that word

hollow - definition and synonyms

Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
verb hollow pronunciation in British English /ˈhɒləʊ/
Word Forms
Close
present tense
I/you/we/theyhollow
he/she/ithollows
present participlehollowing
past tensehollowed
past participlehollowed

phrasal verb

hollow out

[transitive]
Word Forms
Close
present tense
I/you/we/theyhollow out
he/she/ithollows out
present participlehollowing out
past tensehollowed out
past participlehollowed out
  1. 2
    to make or build something by making a hole in something
    The amphitheatre had been hollowed out of the steep hillside.

nanodegree

a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

BuzzWord Article

Open Dictionary

hypocaust

an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog