Relating to or tending to cause deviation; serving to lead away from an established standard or expected path.
From deviation or deviate + -ory suffix. The -ory suffix creates adjectives describing tendency, relationship, or function.
Deviatory is a technical adjective you'll find in specialized writing—something with deviatory function is designed or tending to cause deviation. It's the kind of word academic writers create when standard words feel imprecise.
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