1 (often foll. by from, to, than) unlike, distinguishable in nature, form, or quality (from another).
Usage:
Different from is generally regarded as the most acceptable collocation; to is common in less formal use; than is established in US use and also found in British use, esp. when followed by a clause, e.g. I am a different person than I was a year ago.
2 distinct, separate; not the same one (as another).
3 colloq. unusual (wanted to do something different).
Derivatives:
differently adv. differentness n.
Etymology: ME f. OF different f. L different- (as DIFFER)
Useful english dictionary. 2012.