From Longman Dictionary of Contemporary Englishvalidval‧id /ˈvælɪd/ ●●○ AWL adjective 1 USE somethinga valid ticket, document, or agreement is legally or officially acceptable OPP invalid a valid credit card Your return ticket is valid for three months.2 → valid reason/argument/criticism etc3 a valid password, ID etc is one that will be accepted by a computer system OPP invalid —validity /vəˈlɪdəti/ noun [uncountable] I would question the validity of that statement.COLLOCATIONS – Meaning 2: nounspointI think that's a valid point.reasonI had a perfectly valid reason for being there.argumentNone of these arguments are valid.criticismIf the criticism is valid, you should make the appropriate changes.excuseYou must have a valid excuse for any absence.adverbsequally validEach of these ways of looking at things is equally valid.perfectly validIt's a perfectly valid question.statistically/scientifically valid (=based on correct numbers or good research)The drug trials were scientifically valid.
Examples from the Corpus
valid• He says they can even zoom in on tax discs to see if they're valid.• It is obvious that students should not believe that their own ideas by themselves are valid.• Oh, so you say the translation is not valid.• All of those criticisms are valid.• The government still hasn't produced a valid argument in favour of its policies on immigration.• But at this point, no valid comparison can be made between their clocks, for they are separated.• They had some valid concerns about the safety of the airplane.• This may not be a valid conclusion - we haven't tested it thoroughly yet.• a valid driver's license• My passport is valid for 10 years.• Both certificates are valid for three months and the ceremony must take place in the district where notice has been given.• The tourist visa is valid for three months.• Your ticket is valid for travel at any time of the day.• Please supply a valid name and password.• Incorrect or invalid names are mentioned following the valid ones.• Many of Rousseau's ideas are just as valid today as they were in the 18th century.From Longman Business Dictionaryvalidval‧id /ˈvælɪd/ adjectiveLAW a valid document or agreement is legally acceptable, often for a fixed period of timeThe court ruled that the firm’s patent is valid and enforceable.Investors with valid claims against the company could receive payments within a few months.The voucher is valid for 12 months.Origin valid (1500-1600) French valide, from Latin validus “strong, effective”, from valere; → VALOR 