Valid
adj.thoughtful, capableprofessional
Meaning 1
Supported by sound reasons or evidence.
Reach for it when recognizing an argument, concern, or conclusion that deserves serious acceptance
The residents raised a valid concern about the only step-free entrance.
Choose between these
4- everyday
when ordinary judgment makes a view fair to consider
not when Reasonable can mean moderate even when the underlying logic has not been proved.
- professional
when a claim or concern deserves recognition
not when Legitimate can also mean lawful or authentic, so it may introduce the wrong test.
- professional
sound
when reasoning is internally strong and dependable
not when Sound does not say that an authority or rule formally accepts something.
- formal
when evidence gives a belief or concern reliable grounds
not when Well-founded is awkward for a ticket, license, or correctly formed argument.
Meaning 2
Meeting the rules or conditions needed to remain effective.
Reach for it when confirming that a document, ticket, method, or permission is officially acceptable
Her passport remains valid for the full length of the trip.
Choose between these
4- everyday
when something meets the required standard
not when Acceptable can mean merely adequate and need not carry formal force.
- everyday
current
when a credential has not expired
not when Current says nothing about whether it was correctly issued or accepted.
- professional
when a document or agreement currently has legal force
not when Effective can also mean successful, and it does not always imply formal validity.
- formal
recognized
when an authority or system officially accepts the item
not when Recognition may be social or institutional without proving that every validity condition is met.
Said against
4- baseless
- unsound
- invalid
- expired
It naturally appears in
4- valid concern
Limited lighting is a valid concern for people leaving the station at night.
- valid argument
Her valid argument separated measured cost from unsupported fear.
- valid passport
A valid passport is required before the permit can be issued.
- remain valid
The voucher will remain valid until the replacement service opens.
The word family
1Where this comes from
- Wiktionary, English adjective sense: well grounded or justifiable opens in a new tab for meaning 1 · retrieved 2026-07-26
- Wiktionary, English adjective sense: acceptable under applicable rules or usable for a stated period opens in a new tab for meaning 2 · retrieved 2026-07-26
The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.