a student who stays away from school without permission.

a person who shirks or neglects his or her duty.

absent from school without permission.

neglectful of duty or responsibility; idle.

of, pertaining to, or characteristic of a truant.

to be truant.

adjective

absent without leave , astray , away , awol , cutting class , gone , hooky , missing , no-show , not present , playing hooky , skipping school

noun

delinquent , deserter , draft dodger , hooky player , malingerer , no-show , runaway , shirker , absent , idle , lazy , loafer , missing , neglectful , slacker , stray , straying