adj. 1 a (often foil. by to) well known. b often met (with). 2 (foll. by with) knowing a thing well. 3 (often foll. by with) well acquainted (with a person). 4 informal,
adj. 1 a (often foil. by to) well known. b often met (with). 2 (foll. by with) knowing a thing well. 3 (often foll. by with) well acquainted (with a person). 4 informal,
