Did you know?

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

infest - 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 [transitive] infest pronunciation in British English /ɪnˈfest/
Word Forms
Close
present tense
I/you/we/theyinfest
he/she/itinfests
present participleinfesting
past tenseinfested
past participleinfested
  1. 1
    if animals or insects infest a place, there are very many of them in it, so that they might cause damage or disease
    be infested by/with something: The entire house was infested with mice.
    Synonyms and related words
    Synonyms and related words
  2. 2
    informal to make a place or situation very unpleasant by being present in large numbers or quantities
    awful programmes that infest our television screens

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

Word of the Day

dolt

a stupid person

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