easily annoyed or irritable
petulant
when someone talks forever about trivial matters
prattle
mysterious, difficult to interpret
enigmatic
a feeling of fear or agitation
trepidation
feeling lonely and sad about unrequited love
lovelorn
how actions imbued with passion and love are done
amorously
comfort or relief in times of distress
solace
to make something clear
feeling tired, bored, or cynical after being repeatedly disappointed
jaded
reserved, modest, or even shy
demure
encountering good, valuable, or enjoyable things without even trying
serendipity
hidden, secret, esoteric
arcane
give intense pleasure or joy to someone
enrapture
to instruct or improve someone morally or in terms of intellect
edify
boring, dull, lacking flavor/vigor
insipid
a compulsive liar, who lies constantly, is probably also a...
prevaricator
fearless, not easily intimidated
dauntless
someone who complains a lot, ie. Negative Nancy
smellfungus
to belong or be able to (of a law or advantage)
enure
angelic or like an angel, sublime, pure
seraphic
calm and mature
equinanimous
inexperienced, new
callow
a harmful, usually gradual effect
pernicious
beauty, grace
pulchritude
showing dedication, dilligence
sedulous