invalid
Proposed by a contributor, not yet supported by evidence.
Also seen as: invalids · invaliding · invalided
Sense 1
Not valid; not true, correct, acceptable, or appropriate.
Không hợp lệ, không đúng, không chính xác, không được chấp nhận
Machine-translated — suggest a fix
Adjective
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Any person with a disability or illness.
NounRegister: dated
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
A person who is confined to home or bed because of illness, disability or injury; one who is too sick or weak to care for themselves.
Người bị giam giữ ở nhà hoặc giường bệnh vì bệnh, khuyết tật hoặc chấn thương
Machine-translated — suggest a fix
NounRegister: dated
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
Suffering from disability or illness.
Adjective
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “invalid” mean?
Not valid; not true, correct, acceptable, or appropriate.
Is “invalid” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.