nonlinear.
Of a set of points, not lying on a straight line.
Meaning & usage
Of a set of points, not lying on a straight line.
Of a molecule, whose atoms do not lie in a straight line.
Of a function, having a product of independent variables, or a variable with an exponent not equal to one.
Of a system, whose output is not directly proportional to its input.
Erratic and unpredictable; tending to jump back and forth.
a film with a nonlinear plot
Where this word comes from
Etymology tree Proto-Indo-European *né Proto-Germanic *ne Proto-Indo-European *ís? Proto-Indo-European *h₁óynos Proto-Germanic *ainaz Proto-Germanic *nainaz Proto-West Germanic *nain Old English nān Middle English non ▲ Old English nān Old English nān- Middle English non- English non- Proto-Indo-European *līnomder. Proto-Italic *līnom Latin līnum Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin līneus Latin līnea Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālis Latin -āris Latin līneārisbor. English linear English nonlinear From non- + linear.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.