[mo·rose] sullen and ill-tempered.

the state or quality of being chuffy, a lack of manners or refinement.

[feck·less] lacking initiative or strength of character; irresponsible.

[trog·lo·dyte] (especially in prehistoric times) a person who lived in a cave.

[cods·wal·lop] nonsense.

[in·so·lent] showing a rude and arrogant lack of respect.

[soph·ist] a paid teacher of philosophy and rhetoric in ancient Greece, associated in popular thought with moral skepticism and specious reasoning.

[pet·u·lant] (of a person or their manner) childishly sulky or bad-tempered.

[fur·tive] attempting to avoid notice or attention, typically because of guilt or a belief that discovery would lead to trouble; secretive.

[ob·tuse] annoyingly insensitive or slow to understand.

[bel·li·cose] demonstrating aggression and willingness to fight.

[soph·ist] a paid teacher of philosophy and rhetoric in ancient Greece, associated in popular thought with moral skepticism and specious reasoning.

[te·mer·i·ty] excessive confidence or boldness; audacity.

[dog·mat·ic] inclined to lay down principles as incontrovertibly true.

[men·da·cious] not telling the truth; lying.

[sat·ur·nine] (of a person or their manner) slow and gloomy.