Sanguine
Optimistic or positive, especially in a bad or difficult situation.
Prosaic
Commonplace; unromantic; lacking poetic beauty.
Ubiquitous
Present, appearing, or found everywhere.
Dispassionate
Not influenced by strong emotion, and so able to be rational and impartial.
Obdurate
Stubbornly refusing to change one’s opinion or course of action.
Ethereality
The quality of being delicate, light, or heavenly.
Asperity
Harshness of tone or manner.
Profligate
Recklessly extravagant or wasteful in the use of resources.
Bellicose
Demonstrating aggression and willingness to fight.
Penurious
Extremely poor; poverty-stricken.
Pugnacious
Eager or quick to argue, quarrel, or fight.