Most other branches of Judaism reject intermarriage as invalid because Jews can only marry other Jews.
IDF: "The visit was not coordinated with us, the agreement is dangerous and invalid."
The Xinhua News Agency and pro-Beijing groups in Hong Kong say that PopVote is illegal and invalid.
"not strong, infirm," 1640s, from Latin invalidus "not strong, infirm, weak, feeble," from in- "not" (see in- (1)) + validus "strong" (see valid). Specific meaning "infirm from sickness, disease, or injury" is from 1640s.
"of no legal force," 1630s, from special use of Latin invalidus (see invalid (adj.1)).
1709, originally of disabled military men, from invalid (adj.1). Invalides is short for French Hôtel des Invalides, home for old and disabled soldiers in the 7th arrondissement of Paris.
invalid in·va·lid1 (ĭn'və-lĭd)
One who is incapacitated by a chronic illness or disability. adj.
Incapacitated by illness or injury.