nonvalid
/nɑnˈvælɪd/
adjective
- Not legally or officially acceptable; not having the proper authority or force.
- The judge ruled that the old will was nonvalid because it was not signed by witnesses.
- The company refused to honor the nonvalid coupon because the expiration date had passed.
- Your passport is nonvalid if it has expired, so you need to renew it before traveling.
- Not based on truth, reason, or logic; not sound or convincing.
- The teacher explained that the student's excuse for being late was nonvalid.
- His argument was nonvalid because it relied on incorrect data.
- Many scientists consider that theory nonvalid since it cannot be tested.
Antonyms