Antonyms for the phrase "is in force" could include "expired," "invalid," "canceled," "nullified," "lapsed," "void," "ineffective," "non-existent," " suspended," and "revoked." These antonyms all suggest a state of inaction or lack of authority, in contrast to the present, active, authoritative state of "is in force." For example, a law that was once in force may now have expired or been canceled. A contract that was once in force may now be nullified or void. By understanding the antonyms of "is in force," we can better understand the variety of possible outcomes when a particular rule or regulation loses its active status.