Ultra Vires

adjective and adverb (Latin phrase; also used attributively, e.g. "ultra vires action")
/ˌʌltrə ˈvaɪəriːz/
Beyond the legal power or authority of a person, body, or institution — an act performed without lawful authority is deemed void.

✍️ Usage in a UPSC answer

When a regulatory body imposes levies for which its parent statute makes no provision, the courts will not hesitate to declare such exactions ultra vires, thereby reaffirming that every organ of the State derives its authority from, and remains subordinate to, the law.

Synonyms

beyond one's powersunauthorisedin excess of authorityincompetent (legally)unconstitutionalvoid

Antonyms

intra vireswithin one's powersauthorisedlawful

🌱 Word Family

intra vires (phrase, antonym), ultra vires (adj/adv), No standard derived forms

🔡 Root

Latin ultrā = beyond; vīrēs (pl. of vīs) = strength, powers; phrase = beyond the powers

📜 Etymology

From Latin ultrā ("beyond") + vīrēs (accusative plural of vīs, "strength, power"); literally "beyond the powers."

🧠 Memory Hook

"ULTRA" = going beyond the limit (like ultra-modern, ultraviolet), and "VIRES" echoes "vigour/virility" = power. So ULTRA VIRES = "beyond the power" - acting past the authority the law allows.

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