Discover the Greek prefix “αντί-” (anti-), its ancient roots, and how it appears in Greek and English words. Learn key examples and boost your Greek vocabulary!
Hello, my enthusiastic Greek learner!
One of the best ways to expand your Greek vocabulary quickly is by learning prefixes—small but powerful word parts that attach to the beginning of a word and change its meaning.
And today, we’re diving into one of the most useful ones: “αντί-” (antí-).
This versatile prefix comes from Ancient Greek ἀντί (antí), meaning against, opposite, or in place of and it appears in hundreds of Greek words and even in English words that come from Greek! Once you understand it, you’ll start recognizing words everywhere.
So, let’s break it down and see why learning “αντί-“ will make your Greek journey easier (and way more fun)!
1. “Αντί-” as Opposition (Against, Opposite)
One of the most common meanings of “αντί-” is against or opposite. Think about words like antivirus (protects against viruses) or antibiotic (fights against bacteria). In Greek, the logic is the same!
- ο αντίθετος (ο antíthetos) → opposite (adj.)
(η αντίθετη, το αντίθετο) - η αντίδραση (i antídrasi) → reaction
- η αντίσταση (i antístasi) → resistance
- η αντιπολίτευση (i antipolítefsi) → opposition (in politics)
- η αντίρρηση (i antírrisi) → objection
- η αντιλογία (i antiloyía) → contradiction
- η αντιπαράθεση (i antiparáthesi) → confrontation
- η αντίσταση (i antístasi) → resistance (physical or metaphorical)
- ο αντίλογος (o antílogos) → counterargument
- η αντιπαλότητα (i antipalótita) → rivalry
- η αντίθεση (i antíthesi) → contrast, opposition
- η αντεπίθεση (i antepíthesi) → counterattack
- ο αντιπαθητικός (o antipathitikós) → unpleasant, unlikable (adj.)
(η αντιπαθητική, το αντιπαθητικό) - αντιμάχομαι (antimáhome) → to fight against, to oppose (verb)
- αντιλέγω (antilégo) → to argue against, to contradict (verb)
- ο αντισυναδελφικός (o antisinadelfikós) → unsupportive of colleagues
(η αντισυναδελφική, το αντισυναδελφικό) - ο αντισυστημικός (o antisistimikós) → anti-establishment (opposed to the system, adj.)
(η αντισυστημική, το αντισυστημικό)
2. “Αντί-” as Substitution (Instead of, In Place of)
“Αντί-” can also mean instead of or in place of. Think about antidote —a cure that replaces the effect of poison!
- το αντίτιμο (to antítimo) → price, compensation
- η αντικατάσταση (i antikátastasi) → replacement
- ο αντιπρόσωπος (o antipróssopos) → representative
- το αντίγραφο (to antígrafο) → copy
- το αντικλείδι (to antiklídi) → spare key
- το αντίδοτο (to antídoto) → antidote
- το αντίτυπο (to antitipo) → duplicate, copy
- η αντίληψη (i antílipsi) → perception
- η αντιπροσφορά (i antiprosforá) → counteroffer
- το αντίκρισμα (to antíkrisma) → reflection (in the sense of what one sees when looking at something)
- ο αντιπρόεδρος (o antipróedros) → vice president (someone who takes the place of the president when needed)
- η αντιγραφή (i antigrafí) → copying, plagiarism
- ο αντιοικονομικός (o antiikonomikós) → uneconomical (against economic efficiency, adj.)
(η αντιοικονομική, το αντιοικονομικό)
3. “Αντί-” in Science & Everyday Life
Did you know that “αντί-” is used in many scientific and medical terms? You’ve probably heard some of these before!
Scientific & Medical Words:
- το αντιβιοτικό (to antiviiotikó) → antibiotic
- το αντισηπτικό (to antisiptikó) → antiseptic
- το αντισταμινικό (to antistaminikó) → antihistamine
- το αντιψυκτικό (to antipsiktikó) → antifreeze
- ο αντιδραστικός (o antidrastikós) → reactive (adj.)
(η αντιδραστική, το αντιδραστικό) - το αντισώμα (to antisóma) → antibody
- το αντιόξινο (to antióxino) → antacid
- το αντίβαρο (to antívaro) → counterweight
- η αντιρύπανση (i antiripansi) → pollution control (environmental)
- το αντιοξειδωτικό (to antioxeidotikó) → antioxidant
- ο αντιαλλεργικός (o antialleryikós) → anti-allergic (adj.)
(η αντιαλλεργική, το αντιαλλεργικό)
Everyday Greek Words with “Αντί-“
- ο αντίστροφος (antístrofos) → reverse, backwards (στροφή = turn)
(η αντίστροφη, το αντίστροφο) - το αντικείμενο (antikímeno) → object (κείμενο = lying, placed)
- αντιλαμβάνομαι (antilamvánome) → to perceive, to realize (verb)
- αντιμετωπίζω (antimetopízo) → to face, to deal with (verb: problems, challenges, people, etc.)
English Words with Greek Roots: “Αντί-”
The prefix “αντί-“ isn’t just present in Greek—it’s also alive and well in English words, many of which have Greek roots! Here are some of the most common ones:
- Antibiotic (το αντιβιοτικό/to antiviotikó)
- Antidote (το αντίδοτο/to antídoto)
- Antioxidant (το αντιοξειδωτικό/to antioxidotikó)
- Antiseptic (το αντισηπτικό/to antisiptikó)
- Antihistamine (το αντισταμινικό/ to antistaminikó)
- Antivirus (ο αντιϊικός/o antiiikós)
- Antagonist (ο ανταγωνιστής/ο antagonistis)
As you can see, “αντί-“ continues to show up in various contexts in both Greek and English!
Learning Tip
When encountering a word with “αντί-“, ask yourself:
- Is it expressing opposition? (e.g., αντίθετος = opposite)
- Is it replacing something? (e.g., αντιπρόσωπος = representative, standing in for someone)
By recognizing the role of this prefix, you’ll be able to guess the meaning of many unfamiliar Greek words!
Final Thoughts: Why “Αντί-” is a Must-Know Prefix
Learning “αντί-“ is like unlocking a secret code to Greek vocabulary! Now, when you see a new word starting with “αντί-“, you’ll have a good idea of what it means. Plus, many of these words exist in English, so you already know more Greek than you think!
So, keep an eye out for “αντί-” in your Greek studies—it’s everywhere! And next time you hear “αντίο”, you’ll know you’re not just saying goodbye… you’re using one of the most powerful prefixes in Greek! 😉

