1 His reputation lends a certain validity to the approach that it might not deserve.
2 Shocked by the results of the elections, they now want to challenge the validity of the vote.
3 This research seems to give/lend some validity to the theory that the drug might cause cancer.
4 Some people, of course, denied the validity of any such claim.
5 Ending the fighting must be the absolute priority, the litmus test of the agreements' validity.
6 Although Israel ratified The Fourth Geneva Convention in 1951, it disputes the validity of the Convention in the occupied territories.
7 Given the aberrant nature of the data, we doubted the validity of the entire experiment.
8 Your credit card is no longer valid.
9 They have a valid claim to compensation.
10 Each time an affix is removed the remaining stem must be checked to determine whether it is a valid word.
11 They put forward many valid reasons for not exporting.
12 He is charged with several misdemeanour, including driving without a valid licence and creating a disturbance.
13 The original written contract was held valid.
14 Please supply a valid user password.
15 Even if this possibility did not stand up to close scrutiny, Pavlov's theory would still be valid.