tenebrous \TEN-uh-bruhs\, adjective:
Dark; gloomy.

inclement \in-KLEM-uhnt\, adjective:
1. Rough, harsh; extreme, severe -- generally restricted to the elements or weather.
2. Severe, unrelenting; cruel.

prolix \pro-LIKS; PRO-liks\, adjective:
1. Extending to a great length; unnecessarily long; wordy.
2. Tending to speak or write at excessive length.

flagitious \fluh-JISH-uhs\, adjective:
1. Disgracefully or shamefully criminal; grossly wicked; scandalous; -- said of acts, crimes, etc.
2. Guilty of enormous crimes; corrupt; profligate; -- said of persons.
3. Characterized by enormous crimes or scandalous vices; as, "flagitious times."

sublunary \suhb-LOO-nuh-ree\, adjective:
Situated beneath the moon; hence, of or pertaining to this world; terrestrial; earthly.

irascible \ih-RASS-uh-buhl\, adjective:
Prone to anger; easily provoked to anger; hot-tempered.

desultory \DES-uhl-tor-ee\, adjective:
1. Jumping or passing from one thing or subject to another without order or rational connection; disconnected; aimless.
2. By the way; as a digression; not connected with the subject.
3. Coming disconnectedly or occurring haphazardly; random.
4. Disappointing in performance or progress.

aestival \ES-tuh-vuhl\, adjective:
Of or belonging to the summer; as, aestival diseases. [Spelled also estival.]

captious \KAP-shuhs\, adjective:
1. Marked by a disposition to find fault or raise objections.
2. Calculated to entrap or confuse, as in an argument.

mordant \MOR-d'nt\, adjective:
Biting; caustic; sarcastic.

cogent \KOH-juhnt\, adjective:
Having the power to compel conviction; appealing to the mind or to reason; convincing.