tuition UK /tjuːˈɪʃən/US /tuˈɪʃən/ noun4 •(UK, Ireland) The training or instruction provided by a teacher or tutor. •(US, Canada) A sum of money paid for instruction (such as in a private school, boarding school, university, or college).The school's tuition will increase by five percent next year. •(Australia, India) Paid private classes taken outside of formal education; tutoring. (also used attributively)tuition classes •(no longer used) Care, guardianship. formstuitions