Pecular: strange (Example: Marta thought the play was peculiar),
Slightly and indefinably unwell (Example: I felt a little peculiar for a while)
Special (in the sense of: different, characteristic, unique, ...)
Specific, precise: Clearly defined or identified (Example: savings were made by increasing the electricity supply only until it met specific development needs)
Special (adjective) - Better, greater, or otherwise different from what is usual
Examples: 1. They always made a special effort at Christmas
2. He's trying to prepare a special surprise for her for their marriage anniversary.
Exceptionally good or pleasant:
Example : She’s a very special person
Belonging specifically to a particular person or place (Example: Yuliana belongs to a special caste in classical ballet - she is a character dancer)
Especial - 1. Better or greater than usual; specia (Example: These traditions are of especial interest to feminists)
2. For or belonging chiefly to one person or thing ( Example: Students and their problems were her especial concern)