Surreptitious
Undercover, secret
Nookey
Sexual intercourse
Antagonized
Alienate, vex
Jutted
Extend, protruded
Epithet
Moniker, byname
Extemporize
Improvise, busk it
Agitated
Flustered, frantic
Fastidious
Demanding, meticulous
Equilibrium
Parity, stability