Synonyms for INJECT: insert, introduce, add, interject, interpolate, fit (in or into), intersperse, insinuate; Antonyms of INJECT: eliminate, extract, exclude, withdraw, deduct, expel, subtract, eject To inject someone with a substance such as a medicine means to put it into their body using a device with a needle called a syringe. Inject Sentence Examples Finally, she was able to inject a few words. The other bottle's empty. Did he inject himself? Once Dean introduced himself, he sat with the phone several inches from his ear, unable to inject a word as she built up her tirade. INJECT definition: 1. to use a needle and syringe (= small tube) to put a liquid such as a drug into a person's body…. Learn more. Learn what inject means with clear definitions, pronunciation, synonyms, and real-world examples. Simple explanations to help you use inject correctly. Definition of inject verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of INJECT is to introduce into something forcefully. How to use inject in a sentence. To inject is to give an injection, or a shot. When your doctor tells you that you need a flu shot, she wants to inject you with a vaccine that will help keep you from getting sick. You are most likely to hear the verb inject at the doctor's office. INJECT meaning: 1. to use a needle and syringe (= small tube) to put a liquid such as a drug into a person's body…. Learn more. Explanation To inject is to give an injection, or a shot. When your doctor tells you that you need a flu shot, she wants to inject you with a vaccine that will help keep you from getting sick. You are most likely to hear the verb inject at the doctor's office.