Obdurate	refuse to change one’s opinion; stubborn
Frivolous	trivial, silly
Benign	gentle, kindly
Sporadic	occurring at irregular intervals; scattered or isolated
Prevaricate	deceive; stretch the truth; to tell a “white lie”
Belligerent	hostile and aggressive
Dispassionate	unfeeling, impartial
Providential	lucky, occurring at a favorable time; opportune
Diffidence	hesitancy; lack of confidence
Fractious	irritable and quarrelsome
Disparate	essentially different in kind, not allowing comparison
Plausible	reasonable or probable
Sanguine	optimistic or positive
Venerate	regard with great respect
Succinct	brief, to the point
Ingenious	clever, original, and inventive
Meticulous	very careful and precise
Erudite	well-educated, cultured
Bolster	support or strengthen
Conspicuous	obvious, easily seen
Audacious	reckless, daring
Tumultuous	confused, or disorderly
Fervid	intensely enthusiastic or passionate
Enervate	to weaken over time
Ephemeral	momentary, passing quickly