いわゆる

• Reading: いわゆる
• Romaji: iwayuru
• Kanji breakdown: 所 (sho) — place, that which; 謂 (i) — to say, to call; rarely written in kanji
• Pronunciation: /i.wa.jɯ.ɾɯ/

Meaning

So-called; what is known as. Used to introduce a commonly known term or concept.

A pre-noun adjectival (連体詞) that modifies nouns directly, similar to 'so-called' or 'what they call' in English. The kanji form 所謂 exists but is rarely used outside formal academic writing. Always placed before a noun: いわゆる天才 (a so-called genius). Can be neutral or carry a slightly ironic tone depending on context.

Examples

1. これがいわゆるジェネレーションギャップだ。 This is what they call a generation gap.
2. いわゆるエリートでも失敗することはある。 Even so-called elites fail sometimes.
3. 彼はいわゆる天然で、いつも面白いことを言う。 He's what you'd call a natural — he always says funny things.

Usage Guide

Context: explanations, essays, conversation

Tone: analytical

Origin & History

From the classical passive form of 言う (to say): 言わるる → いわゆる, meaning 'that which is said' or 'what people call.' The kanji 所謂 is a Chinese-derived literary form.

Cultural Context

Era: Classical

Generation: Adults

Social background: Educated