dilettante

dilettante: someone with only a superficial interest in a topic

desultory

desultory: disconnected, jumping from one thing to another

quiescent

quiescent: motionless (adjective)

specious

specious: deceptively attractive, seemingly plausible but fallacious

reticent

reticent: silent or reserved

stolid

stolid: unemotional, lacking sensitivity

torpor

torpor: extreme sluggishness; apathy

profligate

profligate: excessively wasteful; recklessly extravagant

approbation

approbation: an expression of approval or praise

lassitude

lassitude: lack of energy; fatigue

strident

strident: characterized by harsh, insistent, or discordant sound

stygian

extremely dark, gloomy, forboding

noisome

noisome: a very offensive odor

quotidian

quotidian: occurring or recurring daily; common place; hackneyed

mendacity

mendacity: the condition of being untruthful

poltroon

poltroon: a coward