invalid
Definition
Not valid; legally or logically unacceptable, or a person made weak by illness or disability.
हिन्दी मान्य नहीं; कानूनी या तार्किक रूप से अस्वीकार्य, या बीमारी या विकलांगता के कारण कमजोर व्यक्ति।
Example
"The contract was declared invalid due to missing signatures."