1.  stealth  

1.  stealth  adj. (stealthy, stealthily) sneaky

The cat stealthily crouched in the grass eyeing its intended victim and waiting for just the right moment to pounce.

2.  malevolent  adj. (malevolently) wicked or evil

The malevolent spirit howled profanities through the night from the depths of the old basemen benign adj. (benignly)  showing or expressing kindness or gentleness   

3.  assuage v. (assuaged, assuages, assuaging) to make something uncomfortable feel better

It took about three years for my feelings of grief to assuage after the death of my father.

4.  dictum n. (dictation)  a short statement that expresses a general truth or principle.

There is an old dictum which states, "Might makes right," but I prefer non-violent resolution.

v. (-d, -ing, -s) to act between parties to resolve their differences  

If your two best friends are fighting over the last piece of gum in the pack, you might arbitrate by telling them to split it.

nauseate  v. (-d, -ing, -s, nausea, nauseous) to feel sick to the point of almost vomiting

The first few weeks of her pregnancy were difficult because Katy woke up every morning feeling nauseated and dizzy.

adj. (melancholic)  gloomy or depressed  

The one act play was so melancholy that I felt depressed even after I left the theater!

adj. (aloofly) not friendly or forthcoming; cool and distant.

After meeting Jenine for the third time, Michael realized she wasn't shy, just aloof, because she hardly spoke and acted bored every time they went out.

v. (acquiesced, acquiescing) submit or comply silently or without protest; agree; consent

We were accustomed to prompt, if not always cheerfully acquiescing to Atticus's instructions, but from the way he stood Jem was not thinking of budging.