valid
[adjective]
Synonyms:
- logical, cogent, convincing, good, sound, telling, well-founded, well-grounded
- legal, authentic, bona fide, genuine, lawful, legitimate, official

---

Antonyms: invalid
Contrasted words: groundless, shaky, unconvincing, unfounded, unsound, fallacious, false, misleading, sophistical, counterfeit, fictitious
Related Words: persuasive, potent, strong, attested, confirmed, corroborated, demonstrated, determined, established, substantiated, validated, verified, lawful, legal, licit, effective, effectual, conclusive, decisive, definitive, determinative, acceptable

[TahlilGaran] English Synonym Dictionary ▲

val‧id AC /ˈvæləd, ˈvælɪd/ adjective
[Word Family: verb: validate ≠ invalidate; noun: validity ≠ invalidity; adjective: valid ≠ invalid]
[Date: 1500-1600; Language: French; Origin: valide, from Latin validus 'strong, effective', from valere; ⇒ VALOR]

1. a valid ticket, document, or agreement is legally or officially acceptable Antonym : invalid:
a valid credit card
Your return ticket is valid for three months.

2. valid reason/argument/criticism etc a reason, argument etc that is based on what is reasonable or sensible:
Police officers must have a valid reason for stopping motorists.

3. a valid password, ID etc is one that will be accepted by a computer system Antonym : invalid
—validity /vəˈlɪdəti, vəˈlɪdɪti/ noun [uncountable]:
I would question the validity of that statement.

[TahlilGaran] Dictionary of Contemporary English ▲

valid
adj.
I. legally acceptable
VERBS be | become | remain, stay | deem sth, hold sth The original written contract was held valid.
ADV. still Is your passport still valid?
no longer | legally Is the contract legally valid?
PREP. for Vouchers are only valid for races taking place before 31 December.

[TahlilGaran] Collocations Dictionary ▲

valid
II. strong and convincing
VERBS be, seem | become | remain | accept sth as, consider sth, deem sth, regard sth as We accepted several different approaches as valid.
ADV. extremely, very | absolutely, completely, perfectly This is a perfectly valid question to raise.
not entirely | reasonably | equally using a different, but equally valid, technique
universally a universally valid set of moral principles
not necessarily | not strictly That argument is not strictly valid in this case.
still | no longer The old assumptions are no longer valid.
logically, scientifically, statistically a logically valid deduction

[TahlilGaran] Collocations Dictionary ▲

valid

point
I think that's a valid point.
reason
I had a perfectly valid reason for being there.
argument
None of these arguments are valid.
criticism
If the criticism is valid, you should make the appropriate changes.
excuse
You must have a valid excuse for any absence.
equally valid
Each of these ways of looking at things is equally valid.
perfectly valid
It's a perfectly valid question.
statistically/scientifically valid (=based on correct numbers or good research)
The drug trials were scientifically valid.

[TahlilGaran] Collocations Dictionary ▲