Jack in
verb
To stop doing something, especially a job or activity.
After five years in the company, he decided to jack in his job and travel the world.

Often appears as...
- jack in a job
- jack in an activity
Usage tips
Informal
Colloquial
verb
To connect to a computer or network.
He jacked in to the company’s database from his home computer.

Often appears as...
- jack in the computer
- jack in the network
Usage tips
Technical
verb
To stop doing something, especially a job or activity.
After five years in the company, he decided to jack in his job and travel the world.

Often appears as...
- jack in a job
- jack in an activity
Usage tips
Informal
Colloquial
verb
To connect to a computer or network.
He jacked in to the company’s database from his home computer.

Often appears as...
- jack in the computer
- jack in the network
Usage tips
Technical
Definition 1 of 2

Quitting Connotation
Often suggests frustration or dissatisfaction with the activity or job being given up.

After endless overtime, she finally jacked in her stressful job.
Sudden Decision
Implies a quick, possibly spontaneous decision to quit something.

He just jacked in his studies one day and started a band.
Colloquial Speech
It's conversational, fitting for informal chat rather than formal writing or speeches.

I'm thinking of jacking in my gym membership – I never go.
Quitting Connotation
Often suggests frustration or dissatisfaction with the activity or job being given up.

After endless overtime, she finally jacked in her stressful job.
Sudden Decision
Implies a quick, possibly spontaneous decision to quit something.

He just jacked in his studies one day and started a band.
Colloquial Speech
It's conversational, fitting for informal chat rather than formal writing or speeches.

I'm thinking of jacking in my gym membership – I never go.
Quitting Connotation
Often suggests frustration or dissatisfaction with the activity or job being given up.

After endless overtime, she finally jacked in her stressful job.
Sudden Decision
Implies a quick, possibly spontaneous decision to quit something.

He just jacked in his studies one day and started a band.
Colloquial Speech
It's conversational, fitting for informal chat rather than formal writing or speeches.

I'm thinking of jacking in my gym membership – I never go.
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