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Synonyms

interline

1 American  
[in-ter-lahyn] / ˌɪn tərˈlaɪn /

verb (used with object)

interlined, interlining
  1. to write or insert (words, phrases, etc.) between the lines of writing or print.

  2. to mark or inscribe (a document, book, etc.) between the lines.

  3. to transfer (freight) from one carrier to another in the course of shipment.


verb (used without object)

interlined, interlining
  1. to transfer freight from one carrier to another in the course of shipment.

adjective

  1. involving or indicating a transfer of passengers or freight from one carrier to another during travel or shipment.

    interline flights.

  2. of or relating to transactions between competing carriers, especially airlines, by which passengers, baggage, and freight are transferred from one carrier to another using only one ticket or one check-in procedure from departure point to destination.

interline 2 American  
[in-ter-lahyn] / ˈɪn tərˌlaɪn /

verb (used with object)

interlined, interlining
  1. to provide (a garment) with an interlining.


interline 1 British  
/ ˌɪntəˈlaɪn, ˌɪntəˈlɪnɪˌeɪt /

verb

  1. (tr) to write or print (matter) between the lines of (a text, book, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

interline 2 British  
/ ˌɪntəˈlaɪn /

verb

  1. (tr) to provide (a part of a garment, such as a collar or cuff) with a second lining, esp of stiffened material

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of interline1

First recorded in 1350–1400; Middle English word from Medieval Latin word interlīneāre. See inter-, line 1

Origin of interline2

First recorded in 1470–80; inter- + line 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The application, filed on Friday, said the merger would boost competition, streamlining pricing of interline moves for thousands of customer locations.

From The Wall Street Journal Dec. 19, 2025

Charles Leocha, president of Travelers United, a nonprofit passenger advocacy group, agrees, saying: “I would like to see more interline agreements. That would be a big help.”

From Los Angeles Times Aug. 26, 2022

“When this happens, we work hard with our interline partners to connect customers with their bags as quickly as possible, including compensation for the delayed bag. We sincerely apologize for the frustration this caused.”

From New York Times Jul. 29, 2022

Alaska said it has also suspended its limited interline relationships with S7 and Aeroflot, the largest carrier in Russia.

From Seattle Times Mar. 1, 2022

Then, rising with aurora's light, The muse invoked, sit down to write; Blot out, correct, insert, refine, Enlarge, diminish, interline; Be mindful, when invention fails, To scratch your head and bite your nails.

From Many Thoughts of Many Minds A Treasury of Quotations from the Literature of Every Land and Every Age by Klopsch, Louis

He progressively masters burgher manners and the industrial system, becomes owner of a phonograph shop, then a department store, then a vast phonograph factory, in which mass production and prison methods are satirically interlined.

From Time Magazine Archive

He had drawn Cabinet lists, rearranged them, scratched them, interlined them, thrown them away and locked his decisions in the secret vault of his mind.

From Time Magazine Archive

Small and strange was the writing, overwritten and interlined by many hands, and all those hands were dust now.

From "A Wizard of Earthsea" by Ursula K. Le Guin

Its value is much increased by the fact that the Latin text is interlined throughout with glosses in the Irish dialect.

From St. John's College, Cambridge by New, E. H. (Edmund Hort)

Only 6 MSS. have it, besides 7 in margin or interlined: 11 omit wholly.

From The Traditional Text of the Holy Gospels by Burgon, John William

Airlines Norwegian Air and Wideroe have agreed to cooperate on the Norwegian domestic market and onward travel, including joint ticket and passenger interlining, the firms said on Tuesday.

From Reuters Jul. 13, 2022

The cloth was faded, its pattern blurred, and the frayed cuff sprouted a fringe of broken threads where the interlining showed through.

From The New Yorker Sep. 10, 2018

"We were looking at a lot of old 60s couture and paying attention to construction, interlining and ways to build a garment," he said.

From New York Times Sep. 6, 2012

A lightweight, soft Fiberglas interlining for coats was announced by Owens-Corning Fiberglas Corp. to go into men's, women's & children's clothing this winter.

From Time Magazine Archive

In a close-fitting collar made of heavy material an interlining of canvas or crinoline is necessary.

From Textiles and Clothing by Watson, Kate Heintz

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