Did you know?

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


 - definition

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.



The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

verb [intransitive] grumble pronunciation in American English /ˈɡrʌmb(ə)l/ 
Word Forms
present tense
present participlegrumbling
past tensegrumbled
past participlegrumbled

Related dictionary definitions

  1. 1
    to complain, especially continuously and about unimportant things
    grumble that:

    He grumbled that it was Saturday night and he didn't have a date.

    grumble about something:

    Children always grumble about school food.

    grumble at:

    She grumbles at her employees over the slightest thing.


a video advertisement that appears immediately before an online video

BuzzWord Article

Open Dictionary

breakfast rave

a rave … that takes place early in the morning and where there is no alcohol or drugs …

add a word


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