Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “if”

See all translations

if

conjunction
 
 
/ɪf/
DEPEND A2 used to say that something will happen only after something else happens or is true: We'll have the party in the garden if the weather's good. If you eat up all your dinner you can have some chocolate.Connecting words which express a condition
MIGHT B1 used to talk about something that might happen or be true: I'm sorry if I've offended you. What will we do if this doesn't work?Connecting words which express a contrast
WHETHER B1 whether: I wonder if he'll get the job. Have you asked her if she'd like to come?Connecting words which express a condition
ALWAYS B1 used to mean always or every time: If you mention his mother, he always cries.Connecting words which express a condition
(Definition of if conjunction from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “if” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More