to pursue with harassing or oppressive treatment, esp. because of religion, race, or beliefs; harass persistently.
2.
to annoy or trouble persistently.
Origin: 1400–50; late ME; back formation from persecutour persecutor ≪ LL persecūtor orig. prosecutor, equiv. to persecū-, var. s. of persequī to prosecute, pursue closely (see per-, sequence) + -tor-tor
To oppress or harass with ill-treatment, especially because of race, religion, gender, sexual orientation, or beliefs.
To annoy persistently; bother.
[Middle English, from Old French persecuter, back-formation from persecuteur, persecutor, from Late Latin persecūtor, from persecūtus, past participle of persequī, to persecute, from Latin, to pursue : per-, per- + sequī, to follow; see sekw-1 in Indo-European roots.] per'se·cu·tee' (-kyōō-tē') n., per'se·cu'tive, per'se·cu·to'ry (-kyŏŏ-tôr'ē, -tōr'ē, -kyōō'tə-rē) adj., per'se·cu'tor n.