Trust by Hernan Diaz

• dross - worthless
• gregariousness - social
• antinomy - a paradox
• irascible - easily angered
• fastuous - arrogant
• ardor - passion
• abstemious - self-controlled
• august - respected
• vertiginous - dizzying
• lacunae - a gap

The World According to Color

• iniquitous - unethical

Tomorrow, and Tomorrow, and Tomorrow

• Palimpsest - a piece of writing with traces of original writing that has been worked over
• Apocryphal - circulated as true, but doubtful
• Collogue - to conspire
• Raconteur - an amusing storyteller
• Mesomorphic - an athletic body
• Itinerancy - traveling for work
• Susurrus - rustling
• Gimcracks - knick-knacks

Less

• magniloquent - flowery (language)
• bolus
• convalescent - recovering from illness
• risible - funny, provoking laughter