invalidator


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in·val·i·date

 (ĭn-văl′ĭ-dāt′)
tr.v. in·val·i·dat·ed, in·val·i·dat·ing, in·val·i·dates
To make invalid; nullify.

in·val′i·da′tion n.
in·val′i·da′tor n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.invalidator - an official who can invalidate or nullifyinvalidator - an official who can invalidate or nullify; "my bank check was voided and I wanted to know who the invalidator was"
functionary, official - a worker who holds or is invested with an office
References in periodicals archive ?
There are also other things a Muslim should learn such as the invalidators of prayer, its Sunnah acts, its recommended acts, etc.