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spontaneous

adjective

Simple meaning

Self-generated; happening without any apparent external cause.

Pronunciation

Say it like this:

spahntayneeuhs

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US device voice
IPA pronunciation (US)

spɑnˈteɪniəs

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

adjective

  1. Self-generated; happening without any apparent external cause.

  2. Done by one's own free choice, or without planning.

  3. Proceeding from natural feeling or native tendency without external or conscious constraint.

  4. Said or done without prior planning or prior writing.

  5. Arising from a momentary impulse.

  6. Controlled and directed internally; self-active; spontaneous movement characteristic of living things.

Word at a Glance

Difficulty
B2 · Upper Intermediate
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: Self-generated; happening without any apparent external cause.

Used this way, spontaneous is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
No strong connotation
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use spontaneous

  • “Spontaneous laughter.”adjective

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Common Patterns and Combinations

How this word naturally appears with others.

Controlled

spontaneous generationspontaneous pneumothorax

Other combinations

spontaneous abortionspontaneous emissionspontaneous recoveryspontaneous combustionspontaneous remissionspontaneous activity

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Word Family

Related forms, grouped by how they connect.

Word family

Words built from the same root.

  • spontaneitynounDerived noun

    The quality of being spontaneous and coming from natural feelings without constraint.

  • spontaneouslyadverbDerived adverb

    In a spontaneous manner.

Compound terms

Established multiword terms.

  • spontaneous combustionnounCompound term

    Ignition of a substance (as oily rags) resulting from an internal oxidation process.

  • spontaneous abortionnounCompound term

    A natural loss of the products of conception.

  • spontaneous generationnounCompound term

    A hypothetical organic phenomenon by which living organisms are created from nonliving matter.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.