Interplay
Nautical
Interrogate
Disperse
Elegy
Infamous
Precipitous
Systematic
Delectable
extremely steep
delightful
question formally
relating to ships, sailors, or navigation on water
poem or song expressing sorrow for the dead
scatter in different directions
according to a system; thorough and regular
back-and-forth action; action and reaction
having a bad reputation; disgraceful