1 : separate and distinct from others of the same group or category; "interested in one particular artist"; "a man who wishes to make a particular woman fall in love with him"
2 : first and most important; "his special interest is music"; "she gets special (or particular) satisfaction from her volunteer work"
3 : surpassing what is common or usual or expected; "he paid especial attention to her"; "exceptional kindness"; "a matter of particular and unusual importance"; "a special occasion"; "a special reason to confide in her"; "what's so special about the year 2000?"