Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection.
Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage.
It is nice to have valid competition; it pushes you to do better. Gianni Versace
The common question that gets asked in business is, 'why?' That's a good question, but an equally valid question is, 'why not?' Jeff Bezos
No work or love will flourish out of guilt, fear, or hollowness of heart, just as no valid plans for the future can be made by those who have no capacity for living now. Alan Watts
I have mixed feelings about those sorts of things. When I see it done by interesting young people, I think it's very valid. But when established photographers, people in their forties, copy me and get a lot of money, well, I find that to be very stupid. Helmut Newton
The only valid censorship of ideas is the right of people not to listen. Tommy Smothers
valid in Danish is gyldig
valid in Dutch is gangbaar, geldig, geldend, vigerend
valid in French is valable
valid in Hungarian is indokolt, megalapozott
valid in Italian is valevole
valid in Norwegian is gyldig