cryptic
mysterious in meaning
levity
lightness of mind, character, or behavior
ambivalent
having mixed feelings about someone or something; being unable to choose between two courses of action
innate
existing in one from birth
sycophant
a self-seeking, servile flatterer
amiable
having or showing pleasant, good-natured personal qualities
esoteric
understood by or meant for only the select few who have special knowledge or interest
extraneous
something irrelevant or unimportant to the subject at hand
tedious
long and tiresome
caustic
capable of burning, corroding, or destroying living tissue