Did you know?

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

Happening at particular intervals of time

alternate

adjective

happening on one day, week etc, but not on the day, week etc that immediately follows

annually

adverb

once every year

biennial

adjective

a biennial event happens once every two years

bimonthly

adjective

happening or produced twice a month or every two months

circadian

adjective

relating to a period of 24 hours, especially to the changes in people’s or animals’ bodies that happen during this period

daily

adjective

done or happening every day

daily

adverb

every day

diurnal

adjective

happening every day

half-hourly

adjective

happening every 30 minutes

hourly

adjective

happening once every hour

hourly

adverb

once every hour

monthly

adjective

happening or published once a month

nightly

adjective

happening every night

triennial

adjective

happening every three years

bimonthly

adverb

monthly

adverb

termly

adverb

a month at a time

for one whole month each time

night after night

every night for a long period of time

once a week/month/year etc

happening one time each week/month/year etc

once every three days/four years etc

happening one time every three days/four years etc

an/per hour

at a rate based on an hour of a particular activity

week in (and) week out

every week for a long time

year on year

used for talking about situations in which something continues to change or develop every year

Word of the Day

resurrection

the occasion on which Jesus Christ was brought back to life after his death, according to the Bible

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