invalidKK [ˈɪnvələd] ｜ /ˈɪnvələd/
GEPT 中高級
C1adjective
having no legal force or effect
The court declared the contract invalid due to a technicality in the wording.
無效力；不合法
C2adjective
not valid; not acceptable; not correct
His passport had expired, so it was deemed invalid by the immigration officer.
無效；不正確