单词	countersign
释义	countersign noun coun·​ter·​sign ˈkau̇n-tər-ˌsīn  1 : a signature attesting the authenticity of a document already signed by another 2 : a sign given in reply to another specifically : a military secret signal that must be given by one wishing to pass a guard countersign transitive verb countersignature ˌkau̇n-tər-ˈsig-nə-ˌchu̇r  -chər -ˌtyu̇r -ˌtu̇r noun Synonyms password watchword word See all Synonyms & Antonyms Example Sentences the guard demanded the countersign Word History First Known Use 1591, in the meaning defined at sense 1 Kids Definition countersign noun coun·​ter·​sign ˈkau̇n-tər-ˌsīn  : a secret signal that must be given by a person wishing to pass a guard : password Legal Definition countersign noun coun·​ter·​sign ˈkau̇n-tər-ˌsīn  : a signature attesting the authenticity of a document already signed by another countersign 1 of 2 noun as in word a word or phrase that must be spoken by a person in order to pass a guard the guard demanded the countersign Synonyms & Similar Words Relevance word password sign watchword signal parole indication shibboleth hint countersign 2 of 2 verb as in to indorse Synonyms & Similar Words indorse sign endorse cosign sign on register autograph scrawl inscribe sign up pen notarize ink scribble subscribe author pencil (in) scratch (out)
随便看	propiono- propionylate Propithecus propitiable propitiate propitiated propitiates oversails oversales oversalt oversalted oversalting oversalts oversanded oversanguine oversaturate oversaturated oversaturates oversaturating oversaturation oversaturations oversauce oversauced oversauces oversaucing

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