Having a substantial income, wealthy. / Having a significant measure of a natural gift or ability. / (euphemistic) Having large sexual features (of a woman, breasts or buttocks; of a man, penis).

Alternative form of well-hung

A comment expressing approval; an accolade; "that was spoken well" (clearly or eloquently.)

(idiomatic) Used to express reluctance, to express that if one hypothetical or possible action happened, it would not make any notable difference

(idiomatic) Used to express somewhat reluctant assent, saying that if one situation exists (or because it does exist), another event or situation that would otherwise be undesirable, difficult, impossible, etc., becomes more feasible or reasonable, or would not make a difference.

Alternative spelling of well off

(nautical) A sunken deck between the forecastle and the poop

Alternative spelling of well-covered

Amply equipped or provisioned, especially with respect to a place where food is served. / (chiefly Britain, of a person, euphemistic) Fat, corpulent, full-figured.

(mathematics) Synonym of well-order