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Definition of 'line'


  1. a formation of people or things one beside another; "the line of soldiers advanced with their bayonets fixed"; "they were arrayed in line of battle"; "the cast stood in line for the curtain call"
  2. a mark that is long relative to its width; "He drew a line on the chart"
  3. a formation of people or things one behind another; "the line stretched clear around the corner"; "you must wait in a long line at the checkout counter"
  4. a length (straight or curved) without breadth or thickness; the trace of a moving point
  5. text consisting of a row of words written across a page or computer screen; "the letter consisted of three short lines"; "there are six lines in every stanza"
  6. a single frequency (or very narrow band) of radiation in a spectrum
  7. a fortified position (especially one marking the most forward position of troops); "they attacked the enemy's line"
  8. the methodical process of logical reasoning; "I can't follow your line of reasoning"
       Synonyms: argumentation logical argument line of reasoning
  9. a conductor for transmitting electrical or optical signals or electric power
       Synonyms: cable transmission line
  10. a connected series of events or actions or developments; "the government took a firm course"; "historians can only point out those lines for which evidence is available"
       Synonyms: course
  11. a spatial location defined by a real or imaginary unidimensional extent
  12. a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles"
       Synonyms: wrinkle furrow crease crinkle seam
  13. a pipe used to transport liquids or gases; "a pipeline runs from the wells to the seaport"
       Synonyms: pipeline
  14. the road consisting of railroad track and roadbed
       Synonyms: railway line rail line
  15. a telephone connection
       Synonyms: telephone line phone line telephone circuit subscriber line
  16. acting in conformity; "in line with"; "he got out of line"; "toe the line"
  17. the descendants of one individual; "his entire lineage has been warriors"
       Synonyms: lineage line of descent descent bloodline blood line blood pedigree ancestry origin parentage stemma stock
  18. something (as a cord or rope) that is long and thin and flexible; "a washing line"
  19. the principal activity in your life that you do to earn money; "he's not in my line of business"
       Synonyms: occupation business job line of work
  20. in games or sports; a mark indicating positions or bounds of the playing area
  21. (often plural) a means of communication or access; "it must go through official channels"; "lines of communication were set up between the two firms"
       Synonyms: channel communication channel
  22. a particular kind of product or merchandise; "a nice line of shoes"
       Synonyms: product line line of products line of merchandise business line line of business
  23. a commercial organization serving as a common carrier
  24. space for one line of print (one column wide and 1/14 inch deep) used to measure advertising
       Synonyms: agate line
  25. the maximum credit that a customer is allowed
       Synonyms: credit line line of credit bank line personal credit line personal line of credit
  26. a succession of notes forming a distinctive sequence; "she was humming an air from Beethoven"
       Synonyms: tune melody air strain melodic line melodic phrase
  27. a short personal letter; "drop me a line when you get there"
       Synonyms: note short letter billet
  28. a conceptual separation or distinction; "there is a narrow line between sanity and insanity"
       Synonyms: dividing line demarcation contrast
  29. mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it
       Synonyms: production line assembly line


  1. be in line with; form a line along; "trees line the riverbank"
       Synonyms: run along
  2. cover the interior of; "line the gloves"; "line a chimney"
  3. make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand"
       Synonyms: trace draw describe delineate
  4. mark with lines; "sorrow had lined his face"
  5. fill plentifully; "line one's pockets"
  6. reinforce with fabric; "lined books are more enduring"

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