1.Definition: exacting especially about details

"Very particular about how her food was prepared"

Related Adjective(s):finical, finicky, fussy, picky

2.Definition: first and most important

"She gets special (or particular) satisfaction from her volunteer work"

Related Adjective(s):special

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"

Related Adjective(s):especial, exceptional, special

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"

Related Adjective(s):peculiar, special