cheerfully optimistic, hopeful, or confident
Sanguine
very caustic; scathing
Vitriolic
ostentatious in one's learning; overly concerned with minute details or formalisms, esp. in teaching
Pedantic
the acceptance of all things and events as inevitable; submission to fate
Fatalistic
Acerbicharsh or severe, as of temper or expression
Acerbic
joyous, merry, or gay in disposition; glad; cheerful
Blithe
strangely diabolical or cruel; monstrous; delighting in the revolting or loathsome
Ghoulish
mournful, dismal, or gloomy, esp. in an affected, exaggerated, or unrelieved manner
Lugubrious
disposed to be silent or not to speak freely; reserved; restrained
Reticent
resisting authority or control; not obedient or compliant; refractory
Recalcitrant
cheerful; merry; gay; blithe; glad
Jocund
characterized by lack of seriousness or sense/ self-indulgently carefree; unconcerned about or lacking any serious purpose/ of little or no weight, worth, or importance; not worthy of serious notice
Frivolous
effusively and almost uninhibitedly enthusiastic; lavishly abundant
Exuberant
ardently active, devoted, or diligent
Zealous
feeling, characterized by, or expressing strong displeasure at something considered unjust, offensive, insulting, or base
Indignant
endowed with or characterized by a hearty, joyous humor or a spirit of good-fellowship
Jovial
Over the top dramatic
Histrionic
characterized by great knowledge; learned or scholarly
Erudite
overly obedient and/or submissive
Obsequious
boldly rude or disrespectful; contemptuously impertinent; insulting
Insolent
having or showing great warmth or intensity of spirit, feeling, enthusiasm, etc.; ardent
Fervent
an artistic composition, esp. literary or dramatic, that, for the sake or laughter, vulgarizes lofty material or treats ordinary material with mock dignity
Burlesque
unmoved by persuasion, pity, or tender feelings; stubborn; unyielding; stubbornly resistant to moral influence
Obdurate
characterized by intense feeling; passionate; fervent; intensely devoted, eager, or enthusiastic; zealous; vehement; fierce
Ardent
obnoxiously pious; sanctimonious; self-righteous
Holier-than-thou