invalidate
US /ɪnˈvæl.ə.deɪt/
UK /ɪnˈvæl.ə.deɪt/

1.
membatalkan, menjadikan tidak sah
make (an argument, statement, or theory) unsound or invalid
:
•
New evidence could invalidate the previous findings.
Bukti baharu boleh membatalkan penemuan sebelumnya.
•
His alibi was strong, but the new witness's testimony might invalidate it.
Alibinya kuat, tetapi keterangan saksi baharu mungkin membatalkannya.
2.
melumpuhkan, membatalkan kelayakan
deprive (a person) of legal effectiveness because of a disability or illness
:
•
A severe injury could invalidate him from continuing his career.
Kecederaan teruk boleh melumpuhkannya daripada meneruskan kerjayanya.
•
The court ruled that his mental state did not invalidate his will.
Mahkamah memutuskan bahawa keadaan mentalnya tidak membatalkan wasiatnya.