on probation

idiom

Definition of on probation

1 : being tested and watched at a new job to see if one is able to do the job properly

As a new employee, I will be on probation for three months.

2 : being allowed to stay out of prison after committing a crime if one behaves well, does not commit another crime, etc.

She was arrested while on probation.

3 : being watched for a period of time during which one must behave well in order not to be seriously punished after having made a serious mistake or done something bad

He was on probation for cheating.

The student was put/placed on probation for copying test answers.

Word by Word Definitions

probation play

: critical examination and evaluation or subjection to such examination and evaluation
: subjection of an individual to a period of testing and trial to ascertain fitness (as for a job or school)
: the action of suspending the sentence of a convicted offender and giving the offender freedom during good behavior under the supervision of a probation officer

See the full definition of probation