Teasement | Definition of Teasement by Merriam-Webster.

What is an adjective for teasing?

annoying, harassing, aggravating, antagonizing, bugging, exasperating, galling, getting, goading, irking, irritating, narking, nettling, peeving, pestering, riling, ruffling, vexing, frustrating, nagging, upsetting, angering, bothering, displeasing, disturbing, hassling, incensing, infuriating, maddening, making angry, ...

What's another way to call someone a tease?

Some common synonyms of tease are annoy, harass, harry, pester, plague, and worry.