var‧yS2W2 past tense and past participle varied, present participle varying, third person singular varies
1 [intransitive]if several things of the same type vary, they are all different from each other [= differ]COLLOCATIONS COLLOCATIONS vary from place to place/person to person etc vary from something to something vary considerably/greatly/widely/enormously vary slightly vary according to/depending on something varying degrees/levels/sizes/amounts
2 [intransitive]if something varies, it changes depending on the situation:
Quentin's mood seems tovary according tothe weather.
'What do you wear when you go out?' 'Well,it varies.'
3 [transitive]to change something to make it different:
My doctor said I should vary my diet more.
WORD FOCUS: change WORD FOCUS: change to change something:alter, adapt, adjust, amend, modify, revise, vary to change a system or organization:restructure, reorganize, reform to change something completely:transform, revolutionize to change facts or information, or change what someone has said:twist, distort, misrepresent easily changed:flexible, adaptable impossible to change:fixed, final, irrevocable ➔ See alsochange
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.