Rancor- Personal resentment

Rank and file- Ordinary members of an organization, not leaders

Seminal- Influential

Promulgate- To promote

Protean- Versatile

Embers- Slowly fading

Ire- Anger

Tactile- Related to touch

Virulent- Harmful

Imbroglio- Complex situation

Filigree- Fine ornamental work

Distillation- Purifying

Exegesis- Explanation

Exigent- Urgent

Arcane- Hard to understand

Tepid- Showing little interest/Lukewarm

Raucous- Loud

Execrable- Unpleasant

Juxtaposition- Side by side comparison

Ilk- The same type of people or things