sideline

noun

/ˈsaɪdlaɪn/

Idioms

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[countable] an activity that you do as well as your main job in order to earn extra money
- His hobby of winemaking was fast becoming a profitable sideline.
Extra Examples
- He decided to turn his hobby into a lucrative sideline.
- She is developing a nice little sideline in babysitting for friends.
- The restaurant started out as a sideline to his main business.
Oxford Collocations Dictionary
adjective
- little
- lucrative
- nice
- …
verb + sideline
- have
- develop
preposition
- sideline for
- sideline in
- sideline to
- …
See full entry
sidelines
[plural] the lines along the two long sides of a sports field, tennis court, etc. that mark the outer edges; the area just outside these
- The coach stood on the sidelines yelling instructions to the players.
Topics Sports: ball and racket sportsc2

Idioms

on/from the sidelines

watching something but not actually involved in it
- He was content to watch from the sidelines as his wife built up a successful business empire.
- She has chosen to remain on the sidelines of public debate.

verb

/ˈsaɪdlaɪn/

[usually passive]

Verb Forms

present simple I / you / we / they sideline	/ˈsaɪdlaɪn/ /ˈsaɪdlaɪn/
he / she / it sidelines	/ˈsaɪdlaɪnz/ /ˈsaɪdlaɪnz/
past simple sidelined	/ˈsaɪdlaɪnd/ /ˈsaɪdlaɪnd/
past participle sidelined	/ˈsaɪdlaɪnd/ /ˈsaɪdlaɪnd/
-ing form sidelining	/ˈsaɪdlaɪnɪŋ/ /ˈsaɪdlaɪnɪŋ/

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to prevent somebody from playing in a team, especially because of an injury
- be sidelined (by something) The player has been sidelined by a knee injury.
to prevent somebody from having an important part in something that other people are doing
- be sidelined (by somebody/something) The vice-president is increasingly being sidelined.