What does nonlinearly mean?
Nonlinearly is an adverb meaning “in a way that is not linear.” In scientific and mathematical contexts, it describes a relationship, process, or system that does not proceed at a constant rate or in direct proportion to another variable. For example, a material may respond nonlinearly to increasing stress, meaning that the change in its behavior is not represented by a simple straight-line relationship. The term also has a broader figurative use for events, stories, or ideas that develop in a complicated, discontinuous, or non-chronological order. Because nonlinear patterns often involve thresholds, feedback, interaction, or changing conditions, nonlinearly describes systems whose outcomes cannot be predicted by extending a simple proportional rule. Its use conveys technical precision in academic writing while also marking structures that resist a tidy, sequential interpretation.
adverbIn a manner that is not linear, especially without a constant proportional relationship, straight-line progression, or predictable sequence. It is used chiefly in mathematics, science, and technical writing, and can also describe literary, historical, or organizational structures that do not unfold straightforwardly.
- In a manner that does not follow a linear, proportional, or straight-line pattern.
- In a way that does not unfold in a straightforward chronological, sequential, or predictable order, especially in narrative or historical contexts.
"The relationship between temperature and pressure varies nonlinearly as the system approaches its critical point."
"The population grew nonlinearly, increasing more rapidly as it approached the city’s carrying capacity."
"The novel unfolds nonlinearly, shifting among memories and parallel scenes rather than presenting events in chronological order."
Nonlinearly is how you describe a relationship that refuses to stay on a straight line.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does nonlinearly come from?
The word is formed from the prefix non-, meaning “not,” and the adverb linearly. The suffix -ly converts the adjective linear into an adverb describing manner; linear itself comes through Latin from linea, referring to a line, thread, or row. Related English forms include line, linearity, and collinear, all reflecting the same Latin root. The prefix non- was added to express deviation from direct, proportional, or straight-line behavior.
How nonlinearly is actually used
Most common in mathematics, physics, engineering, economics, and other technical fields. In literary and cultural criticism, it often describes chronology or narrative structure. The adverb can sound technical in ordinary conversation, so a simpler phrase may be preferred for general audiences.
Easily confused with nonlinearly
Nonlinear is normally an adjective describing something that departs from linear relationships, whereas nonlinearly is the adverb describing the manner in which something behaves or develops.
Linearly means in a direct, proportional, or straight-line manner and is the standard opposite of nonlinearly.