Definition of different adjective from the Oxford Advanced Learner's Dictionary

Oxford3000

different

adjective
ˈdɪfrənt
 
; ˈdɪfrənt
 
 
1 different (from/to/than somebody/something) not the same as somebody/something; not like somebody/something elseAmerican English is significantly different from British English. (British English) It's very different to what I'm used to. (North American English) He saw he was no different than anybody else.It's different now than it was a year ago.People often give very different accounts of the same event.My son's terribly untidy; my daughter's no different.The room looks different without the furniture.Now he spoke in a different and kinder voice.
Opposite
similar
2 [only before noun] separate and individualShe offered us five different kinds of cake.The programme was about customs in different parts of the country.They are sold in many different colours.I looked it up in three different dictionaries.3 [not usually before noun] (informal) unusual; not like other people or things‘Did you enjoy the play?’ ‘Well, it was certainly different!’differently
ˈdɪfrəntli
 
; ˈdɪfrəntli
 
adverbBoys and girls may behave differently.The male bird has a differently shaped head.
Idioms

a different kettle of fish

(informal) a completely different situation or person from the one previously mentioned
more at put a new/different complexion on something at complexion, know different/otherwise at know v., be another/a different matter at matter n., march to (the beat of) a different drummer/drum at march, pull in different/opposite directions at pull v., sing a different tune at sing v., tell a different story/tale at tell
Usage noteUsage note: different from / to / thanDifferent from is the most common structure in both British English and North American English. Different to is also used in British English:Paul’s very different from/to his brother. This visit is very different from/to last time.In North American English people also say different than:Your trains are different than ours. You look different than before.Before a clause you can also use different from (and different than in North American English):She looked different from what I’d expected. She looked different than (what) I’d expected.