a.
1.
Odd, strange, singular, antique, antiquated, old-fashioned, archaic, unusual, uncommon, extraordinary, unique, curious, droll, fanciful.
2.
Recondite, subtle, ingenious, artful, abstruse, nice, neat, artificially elegant, characterized by ingenuity or art.
3.
Far-fetched, affected, odd, whimsical, fantastic, out of the way.