Multilateral

adjective (also used attributively); occasionally noun (a multilateral treaty or arrangement)

/ˌmʌl.tɪˈlæt.ər.əl/

Involving three or more parties, especially nations, in negotiations, agreements, or cooperative arrangements.

✍️ Usage in a UPSC answer

India has consistently championed a rules-based multilateral order, arguing that reform of institutions such as the UN Security Council and the WTO is indispensable if the concerns of the Global South are to be meaningfully represented.

Synonyms

multipartitemultipartymultinationalcollectivejointplurilateral

Antonyms

unilateralbilateral

🌱 Word Family

lateral (adj.), bilateral (adj.), unilateral (adj.), multilateralism (n.), multilaterally (adv.)

🔡 Root

Latin multi- = many; Latin lateralis = of the side, from latus = side

📜 Etymology

From Latin multi- ("many") + lateralis ("of or belonging to the side"), from latus ("side"); first used in English in the early 17th century (earliest evidence from 1606).

🧠 Memory Hook

Multi (many) + lateral (sides) = "many sides at the table" — picture many nations seated around one negotiating table, as opposed to uni- (one) or bi- (two).

📝 Seen in UPSC Question Papers

Prelims 2011 — Arms Control
Prelims 2010 — International Organisations

Real UPSC previous-year questions whose text uses “Multilateral” — proof this word earns its place on your list.

🤝 International Relations 📖 Seen in: International Organisations — UN Syste...

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