cheater; sly person; cunning fellow
Used to describe a person who habitually cheats or acts slyly. Often used in a derogatory or teasing way.
That guy is such a cheat.
He cheated on the test.
He always cheats in games.
あいつは本当にずるだ。
That guy is such a sneaky cheater.
The teacher immediately caught him cheating.
He cut in line by cheating.
反則 specifically means a foul or rule violation in games and sports, whereas ずる covers any sly cheating, formal or not.
インチキ is a colloquial word for something fake or rigged, often about scams, while ずる is broader and often used for small, personal acts of cheating.
狡い(ずるい) is the adjective meaning 'sly/unfair', while ずる is the related noun for the act of cheating or the person who cheats.
Hiragana spelling is standard; the word is usually written in kana.
Katakana spelling is also common, especially in casual or emphatic contexts.
Rare kanji form; not commonly used in modern writing.
The origin is uncertain, but it may be related to the adjective ずるい (sly). The word is colloquial and primarily used in spoken Japanese.