to bully is a form of:

Bully



noun — Plural: Bullies
1.
(a person who uses his strength or power to hurt of frighten others) មនុស្សដែលចូលចិត្ដតែសម្លុតគេ, សត្វតិរច្ឆាន, សត្វឥតវិចារណញាណ, អនរិយជន, មនុស្សកម្រោល, ប្រជាហឹង្សក៍, ក្សត្រីយ៍កាន់អំណាចផ្ដាច់ការ, អ្នករំលោភដោយអំណាច, អ្នកធ្វើប្ញកក្លាហាន
ENGLISH MEANING
noun — Plural: Bullies
1.
A noisy, blustering fellow, more insolent than courageous; one who is threatening and quarrelsome; an insolent, tyrannical fellow.
2.
A brisk, dashing fellow.
adjective
1.
Jovial and blustering; dashing.
2.
Fine; excellent; as, a bully horse.
verb
1.
(TRANSITIVE) To intimidate with threats and by an overbearing, swaggering demeanor; to act the part of a bully toward.
2.
(INTRANSITIVE) To act as a bully.