Something that is very oily or seems very oily. Someone that is overly nice or polite, but only because they are looking out for their own self interest.
Vex
To make someone worried or upset over something.
Incorporeal
Something that is not made out of matter. Something that does not exist in the material form, like a ghost.
Bucolic
The word may not sound pleasant but it has to do with the pleasant aspects of country life.
Seismic
Something that has huge effects or large proportions. Or something relating to earthquakes or other vibrations of the earth and its crust.
Feint
A pretend attack. Common in boxing and fencing.
Duad
A pair of people or things.
Aphrodisiac
Something that is supposed to increase the libido when consumed.
Tetravalency
When a carbon atom shares its valence electrons with other atoms forming covalent bonds.
Prophylactic
Something intended to prevent the spread of disease. A preventative measure.