Pronunciation (US) IPA (key): /ədˈmɪnɪstɚ/ Audio (US)(file) Verb Plain form administer Third-person singular administers Past tense administered Past participle administered Present participle administering (transitive) If you administer a test, program etc., you organize and supervise it. The school administers IELTS and TOEFL tests for students who need to take them. (transitive) (medicine) If a medical person administers drugs they put the drugs into the person or animal. Sometimes, nurses administer the drug to the wrong patient. Related words administration administrateWikiwand - on Seamless Wikipedia browsing. On steroids.