A jacket is most commonly a short coat worn over other clothes. The word also has several specializedused for one particular purpose or within one subject area meanings, including a covering or casingan outer layer or protective shell around something, a dental crown, and some technical uses as a verba word that expresses an action, state, or occurrence.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˈdʒækɪt/
Easy pronunciation: JAK-it (approximate spelling).
Stress: Stress on the first syllable.
Primary sense: a short coat (noun).
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.
Jacket Meaning
a short coat worn over other clothes
Part of speech: noun
Definition: a short coat
Example: She put on a jacket before going outside.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.
Other Meanings of Jacket
Meaning 2
a covering or protective outer layer
Part of speech: noun
Definition: an outer wrapping or casing
Example: The book came in a paper jacket.
Meaning 3
an artificial crown fitted over a damaged tooth
Part of speech: noun
Definition: (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth
Example: The dentist fitted a crown over the broken tooth.
Synonyms for this meaning:
- cap — Used in dentistry for a covering over a damaged tooth, though less precise than crown.
- crown — The main dental term for an artificial cover placed over a tooth.
- crownwork — A technical dentistry term for crown restoration.
- jacket crown — A specialized dental term.
Meaning 4
to cover something with an insulating layer
Part of speech: verb
Definition: provide with a thermally non-conducting cover
Example: The pipe needs to be jacketed to prevent heat loss.
Meaning 5
to dress someone in a jacket
Part of speech: verb
Definition: put a jacket on
Example: The assistants jacketed the children before they went outside.
Meaning 6
the skin of a potato
Part of speech: noun
Definition: the outer skin of a potato
Example: Leave the jacket on the baked potato.
Meaning 7
the metal casing around a bullet or shell
Part of speech: noun
Definition: the tough metal shell casing for certain kinds of ammunition
Example: The cartridge jacket was made of hard metal.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.
Jacket Synonyms
Similar Meaning
- coat
dental crown
- cap
- crown
- crownwork
- jacket crown
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Don't confuse jacket with the verb meaning 'to cover with insulation' or the technical meaning in dentistry.
- In some varieties of English, a 'jacket potato' means a baked potato served with its skin on.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What is the meaning of jacket?
Jacket usually means a short coat worn over other clothes. It can also mean a cover, casing, dental crown, or a few technical things in specialized contexts.
What are jacket synonyms?
For the clothing sense, the closest common synonym is coat, though the two words are not always exact substitutes. In dentistry, jacket can mean crown or cap.
What is the definition of jacket in dentistry?
In dentistry, a jacket is an artificial crown fitted over a damaged tooth.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-20. AI assessment; not a guarantee of accuracy.