valid

Definition

Well-grounded or justifiable, pertinent.

Etymology

Borrowed from Middle French valide (“healthy, sound, in good order”), from Latin validus, from valeō (“to be strong, to be healthy, to be worth”) + -idus, from Proto-Indo-European *h₂welh₁- (“be strong”).

Example Sentences

• "I will believe him as soon as he offers a valid answer."
• "Few concepts are as emotionally charged as that of race. The word conjures up a mixture of associations—culture, ethnicity, genetics, subjugation, exclusion and persecution. But is the tragic history of efforts to define groups of people by race really a matter of the misuse of science, the abuse of a valid biological concept?"
• "A valid format for the date is DD/MM/YY."

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