well-off

Adjective

 * He was expecting a large inheritance from a well-off aunt.
 * He was expecting a large inheritance from a well-off aunt.

Usage notes

 * This spelling often preferred for attributive use (before a noun) and to avoid associating the off with a following word.
 * This spelling often less preferred in predicative use (after is).

Antonyms

 * badly off
 * ill-off