Synonyms for INJECT: insert, introduce, add, interject, interpolate, fit (in or into), intersperse, insinuate; Antonyms of INJECT: eliminate, extract, exclude. Define inject. inject synonyms, inject pronunciation, inject translation, English dictionary definition of inject. tr.v. in·ject·ed , in·ject·ing , in·jects 1. To force or drive into something: inject fuel into an engine cylinder; inject air into a liquid mixture. 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. Botox® Memberships are now available. Get Botox® for $7.54/unit. Become a member today! Now serving California | Arizona | Colorado | Texas | Washington 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. 5 reviews and 2 photos of CLUB INJECT I am very happy with my results. I have been looking for an injector that is experienced, listens and is affordable. Sarah is all of these things. My issue is symmetry of my eyebrows, all injectors have over treated my forehead causing my brows to droop. Not Sarah. She suggested a brow lift, 11's and crows feet. I am happier than I have ever been with. Botox® / Dysport® Memberships are now available in Bellevue. Get Botox® for $7.54/unit. Become a member today! The meaning of INJECT is to introduce into something forcefully. How to use inject in a sentence. 4 meanings: 1. medicine to introduce (a fluid) into (the body of a person or animal) by means of a syringe or similar. Click for more definitions. INJECT definition: to force (a fluid) into a passage, cavity, or tissue. See examples of inject used in a sentence.