5 Answers

repetriction

Colleen

Repetitious ;)

Redundant.

Colleen

No problem. :)

beating a dead horse.

Drilling the point home.

Craming it down one’s throat.

hostile instruction

repetitively demanding

Drumming the point

insistantly

Demand

insist
verb
1 she insisted that they pay up: demand, command, require, dictate; urge, exhort.
2 he insisted that he knew nothing: maintain, assert, hold, contend, argue, protest, claim, vow, swear, declare, stress, repeat, reiterate; formal aver.
PHRASES
insist on she insisted on her children's going to college: be set on, be intent on, persist in, stand firm about, stand one's ground about, be resolute about, be emphatic about, be adamant about, not take no for an answer about; informal stick to one's guns about.

Nagging