Definition of sideline in English:

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Pronunciation: /ˈsīdˌlīn/


1An activity done in addition to one’s main job, especially to earn extra income: [as modifier]: a sideline career as a stand-up comic
More example sentences
  • Adam, who studied engineering product design at South Bank University, does acting work as a sideline to earn money.
  • James installed a darkroom in his Silverstream home and took up professional photography as a sideline to his architecture.
  • The majority of these tenants had a sideline farming activity going for income tax purposes.
secondary occupation, second job;
hobby, leisure activity/pursuit, recreation
1.1An auxiliary line of goods or business: electronic handbooks are a lucrative sideline for the firm
More example sentences
  • CACI is a fast-growing billion dollar information technology firm with an intriguing sideline in intelligence.
  • That's the concept behind Offshore, a tidy little coffee palace with a neat sideline in furniture sales.
  • If you have already integrated a vegetarian sideline in your food service operation, you are already a step ahead.
2 (usually sidelines) Either of the two lines bounding the longer sides of a football field, basketball court, tennis court, or similar playing area.
Example sentences
  • You basically start out at half court, groups of two, and play one on one from the sideline to an imaginary line that divides the court.
  • Folkestone boss Neil Cugley ran on to the pitch to support his players, who surrounded the referee, while a small number of Folkestone fans ran to the sidelines and shouted abuse at the official.
  • Early in the fourth quarter, Holt ran a streak pattern down the left sideline.
2.1The area immediately outside either sideline as a place for nonplayers, substitutes, or spectators: his son watched from the sidelines See also on the sidelines below.
More example sentences
  • I used to skate when I was a kid, but I still have a love for the sport even if it comes from the sidelines as a spectator.
  • Acclaim's attention to detail has even extended to the sidelines, where team mascots jump about and try to get the animated crowd excited.
  • These actions almost cost their team 15 yards in penalties and the police were called to the sidelines to ensure no further childish antics would occur.


[with object]
1Cause (a player) to be unable to play on a team or in a game: he has been sidelined for the last six weeks with a fractured wrist
More example sentences
  • An operation like this typically sidelines a player anywhere from 4-6 weeks.
  • This sort of problem would sideline a current player for at least a month, but Butch played through the pain.
  • The condition is one that often lingers for weeks and could sideline a player for a month or more should the tendon snap.
remove, take out, bench
1.1Remove from the center of activity or attention; place in a less influential position: a respected lawyer will be sidelined by alcohol abuse
More example sentences
  • One of the objectives of these meetings was to reshape the top leadership at the Pentagon, sidelining or removing those who were regarded as moderates.
  • However, Jones denied the new structure was aimed at sidelining Bertrand, saying he was being moved into the position to concentrate on the company's refinery upgrade programme.
  • Sources for both companies say Bell was instrumental in getting the deal done, sidelining the lawyers who had failed to agree on a valuation for the joint venture and putting his finance guys out front.


on (or from) the sidelines

In (or from) a position where one is observing a situation but is unable or unwilling to be directly involved in it.
Example sentences
  • A week on the sidelines can do nothing but benefit him and I expect him to come back firing on all cylinders again at Preston.
  • Burnley winger Alan Moore faces a lengthy spell on the sidelines after undergoing ankle surgery later today.
  • Behaviour such as this on the sidelines by parents and other family members should not be tolerated.
without taking part, without getting involved

Words that rhyme with sideline

guideline, tideline

For editors and proofreaders

Syllabification: side·line

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