Logorrhea

Logorrhea
Noun: A tendency to be excessively wordy.

Once you visit this website enough, you might suffer from a bit of logorrhea.

Haggard

Haggard
Adjective: Looking exhausted or tired.

After running for a few hours I always feel haggard.

Frigorific

Frigorific
Adjective: Producing coldness

Refrigerators are known to be quite frigorific.

Copacetic

Copacetic
Adjective: Going extremely well

Was your day copacetic?

Ataraxy

Ataraxy
Adjective: Relating to a drug or other agent that has a tranquilizing effect.

Cacology

Cacology
Noun: The bad choice of words

I think this site is a good contender for cacology.

Dapocaginous

Dapocaginous
Adjective: mean; heartless

Many people are quite dapocaginous, don't you think?