a.
1.
Sparse, thinly scattered.
2.
Thin, subtile.
3.
Uncommon, infrequent, scarce, unfrequent, singular, extraordinary, strange, out of the way, unusual.
4.
Choice, fine, excellent, exquisite, incomparable, inimitable.
5.
Underdone, imperfectly cooked, nearly raw.