valid

US /ˈvælɪd/

UK /'vælɪd/

A2TOEIC
adj.AdjectiveBeing in effect or in force, often legally
My credit card is valid for one year
adj.AdjectiveReasonable; based on sound assumptions
He made a valid argument, but failed to convince anyone
adj.AdjectiveWorking correctly; producing results
We need to have a valid system that produces results
adj.AdjectiveWell-founded on evidence and corresponds accurately to the real world.
That is a valid point.
adj.AdjectiveAn argument constructed so that if the premises are true, then the conclusion is true.
The argument was logically valid.

Video subtitles

Why Tap-to-Pay Is Safer Than a Credit Card Swipe | WSJ Tech Behind

06:53Why Tap-to-Pay Is Safer Than a Credit Card Swipe | WSJ Tech Behind

10 Sexualities To Know About

04:3410 Sexualities To Know About

10 Signs Your Mental Health is Getting Worse

08:2510 Signs Your Mental Health is Getting Worse

What's My Personality: Extravert or Introvert?

03:58What's My Personality: Extravert or Introvert?

The one thing that destroys relationships

08:45The one thing that destroys relationships

See, look, watch - which one to use in easy, slow English

06:20See, look, watch - which one to use in easy, slow English