unusual vs strange

unusual and strange both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unusual	No	Yes	No	No
strange	No	Yes	No	No

As adjectives, unusual and strange are synonyms defined as:

unusual and strange: being definitely out of the ordinary and unexpected; slightly odd or even a bit weird

unusual (adjective)	strange (adjective)
not usual or common or ordinary	being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
being definitely out of the ordinary and unexpected; slightly odd or even a bit weird	relating to or originating in or characteristic of another place or part of the world
not commonly encountered	not known before