This is the 8217th most frequent Dutch word.
geldig
Valid.
Here, 'geldig' refers to the state of being valid or applicable in relation to the coupon.
De kortingsbon is nog geldig.
The discount coupon is still valid.
In this context, 'geldig' indicates whether the passport's credibility or usability is in effect.
Zijn paspoort is niet meer geldig.
His passport is no longer valid.
Here, 'geldig' is used to denote the validity or enforceability of the contract from a certain point in time.