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Definition of streamliner

streamliner

/ˈstriːmˌlaɪnər/
stream · lin · er
Plural:streamliners
•
Adjective:streamlined
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streamliner Lexical Profile

streamliner Game Scores & Validity

• noun

1

A high-speed train, automobile, or other vehicle constructed with a smooth, aerodynamic shape to reduce air resistance.

Example

"The stainless-steel streamliner glided effortlessly along the tracks between Chicago and Denver."

2

A person or thing that simplifies, modernizes, or makes an organization or process more efficient.

Example

"Hired as an operational streamliner, the new director quickly eliminated redundant paperwork across all departments."

Synonyms
View all synonyms for streamliner

• Nearby Words

streamlet
streamline
streamlined
streamliner
streamside
street
streetball

Word Origin & Etymology

Coined in the 1930s during the Streamline Moderne design era, combining the verb 'streamline' with the agent suffix '-er' to describe high-speed aerodynamic trains and automobiles.

Cite this Entry

Wordmom. (2026). Definition of Streamliner. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/streamliner
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