on the side

Related to on the side: err on the side of caution

on the side

1. In addition to a main course in a meal; as a side dish. I'd like the barbecue ribs, please, with cole slaw and corn on the side.
2. In addition to one's main job or activity; as a supplemental pastime or source of income. I'm a web developer, but I also write articles for a music magazine on the side. They're my main band, but I also play in a few groups on the side. I'm mostly into watercolors, but I like to dabble in some drawing on the side.
3. As or with a partner outside of one's main relationship, typically outside of one's marriage. She's been with her husband for 30 years, so it was a shock to everyone when we found out she had a lover on the side. My ex was so shady, always seeing girls on the side and then lying about it.
See also: on, side
Farlex Dictionary of Idioms.

on the side

 
1. Lit. extra, such as with a job or an additional order of food. I would like an order of eggs with toast on the side, please. She is a bank teller and works as a waitress on the side.
2. Fig. in addition to one's spouse. He is married, but also has a woman on the side. She has boyfriends on the side, but her husband knows about them.
See also: on, side
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

on the side

1. In addition to the main portion of something; also, in addition to one's regular job. For example, He ordered some French fries on the side, or She often prepared tax returns on the side. [Second half of 1800s]
2. See on someone's side; on the side of the angels.
See also: on, side
The American Heritage® Dictionary of Idioms by Christine Ammer.

on the side

1 in addition to your regular job or as a subsidiary source of income. 2 secretly, especially with regard to a sexual relationship in addition to your legal or regular partner. 3 served separately from the main dish.
See also: on, side
Farlex Partner Idioms Dictionary

on the ˈside


1 in addition to your main job: He’s a teacher but he does some journalism on the side.
2 (informal) secretly: Even after he was married he still had a girlfriend on the side.
See also: on, side
Farlex Partner Idioms Dictionary

on the side

1. mod. extra, such as with a job or a side order of food. I would like an order of eggs with toast on the side, please.
2. mod. extramarital; in addition to one’s spouse. He is married, but also has a woman on the side.
See also: on, side
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

on the side

1. In addition to the main portion: coleslaw on the side.
2. In addition to the main occupation or activity: did some consulting work on the side.
See also: on, side
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • come down on the side of (someone or something)
  • come down/out on the side of somebody/something
  • come out on the side of (someone or something)
  • in addition
  • bob and weave
  • be on the (something) side
  • be on the cold, small, etc. side
  • from side to side
  • get on (one's) good side
  • get on someone's good side