line

1 a series of persons or things arranged one behind another <the line for tickets stretched around the block> Synonyms column, cue, file, queue, range, string, train Related Words echelon, rank, row, tier; chain, progression, sequence, succession; array

2 a way of acting or proceeding <since the election, the president has taken a very conservative line> Synonyms course, methodology, policy, procedure, programRelated Words blueprint, design, plan, scheme, strategy; intent, intention, purpose; approach, direction, method, path, pathway, tack

3 the activity by which one regularly makes a living <my line of business is “pre-owned” vehicles, and have I got a deal for you!> Synonyms calling, employment, game, lay, occupation, profession, trade, vocation, workRelated Words call, lifework; business, enterprise, field, livelihood, living, métier (also metier), racket [slang]; assignment, engagement, gig, mission; art, craft, handcraft, handicraft; appointment, berth, billet, office, place, position, post, situation; duty, function, job, load, task, workloadNear Antonyms avocation, hobby, pursuit

4 a region of activity, knowledge, or influence <advanced mathematics is a little outside of my line, but I'll see what I can do to help> Synonyms area, arena, bailiwick, barony, business, circle, demesne, department, discipline, domain, element, fief, fiefdom, firmament, front, game, kingdom, field, precinct, province, realm, specialty, sphere, terrain, walkRelated Words frontier; study, subject; territory, turf; occupation, profession, pursuit, racket, vocation; ambit, amplitude, breadth, compass, confine, dimension(s), extent, ken, reach, scope, sweep, width; subfield, subspecialty

5 a real or imaginary point beyond which a person or thing cannot go <you really crossed the line with that outrageous display of bad behavior> Synonyms bound, boundary, cap, ceiling, confines, end, extent, limitation, limit, terminationRelated Words extremity, fag end, terminus; border, brim, edge, margin, rim, verge; outside; bar, barrier, fence, hedge, restraint, stop, wall

6 a long hollow cylinder for carrying a substance (as a liquid or gas) <the workers rushed to fix the leak in the gas line> Synonyms channel, conduit, duct, leader, pipe, penstock, trough, tubeRelated Words drain, drainpipe, funnel, hydrant, main, smokestack, spout, standpipe, stovepipe, tile, waste pipe, waterspout; pipage (or pipeage), pipeline, piping

7 a length of braided, flexible material that is used for tying or connecting things <he made sure to bring extra fishing line in case a fish broke free> Synonyms cable, lace, lacing, cord, rope, string, wireRelated Words guy, halyard, lanyard, stay; bungee cord, whipcord

8 a group of vehicles traveling together or under one management <she owns a line of limousines> Synonyms armada, caravan, cavalcade, fleet, motorcade, trainRelated Words argosy, convoy, flotilla, navy; column, cortege (also cortège), parade, procession