1.Definition: exacting especially about details
"Very particular about how her food was prepared"
2.Definition: first and most important
"She gets special (or particular) satisfaction from her volunteer work"
3.Definition: providing specific details or circumstances
"A particular description of the room"
4.Definition: 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"
5.Definition: surpassing what is common or usual or expected
"A matter of particular and unusual importance"
6.Definition: unique or specific to a person or thing or category
"The particular demands of the job", "Has a particular preference for Chinese art"