Phrase guide

spool up

verb · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

verb

Meaning 1

To wind up onto a spool.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To increase in rotational speed, producing an increase in thrust.

Definition source: English Wiktionary via Wiktextract

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

Examples

  • The large rotational inertia of the heavy compressor and turbine rotors makes the engine slow to spool up from idle.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To be brought into full operation; to reach full potential or capacity.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

Examples

  • Near-synonym: spin up

Meaning relationships

Synonyms: spin up

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

2 source translations are retained for this English entry.

  • Spanish: bobinar — Translations
  • Spanish: embobinar — Translations