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Showing results for countersign. Search instead for counterion.
Definitions

countersign

[koun-ter-sahyn, koun-ter-sahyn] / ˈkaʊn tərˌsaɪn, ˌkaʊn tərˈsaɪn /
VERB
endorse
Synonyms
STRONG
authorize certify confirm corroborate mark password seal sign signature watchword
Antonyms
STRONG
contradict deny disallow invalidate reject repudiate
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