nonspontaneous

Not occurring naturally

Nonspontaneous describes something that doesn't occur naturally or on its own—it requires external input, effort, or intervention.

In chemistry and thermodynamics, a nonspontaneous reaction won't proceed without added energy: The electrolysis of water is nonspontaneous.

More generally, nonspontaneous behavior feels forced or deliberate rather than arising naturally: Her laughter seemed nonspontaneous, almost rehearsed.

deliberate

premeditated

Planned before acting

calculated · methodical · strategic · systematic · considered · thoughtful · volitional · willful · conscious · reasoned

artificial

unnatural

Contrary to normal order

contrived · forced · mechanical · simulated · affected · stilted · stiff · awkward · labored · wooden

induced

triggered

Caused to activate

catalyzed · precipitated · generated · activated · prompted · instigated · initiated · evoked · produced · caused

thermodynamic

unfavorable

Not in your benefit

controlled

regulated

Made to follow rules

constrained · restrained · governed · scheduled · coordinated · procedural · structured · regimented · moderated · administered

Opposites
volition and impulse

nonspontaneousspontaneous

Arising without external cause

impulsive · instinctive · automatic · unplanned · impromptu

naturalness

nonspontaneousspontaneous

Arising without external cause

natural · organic · free-flowing · effortless · unforced

Family

spontaneous, spontaneity, spontaneously, unspontaneous

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