Common Adjectives:
* easy
* eager
* early
* economic
* educated
* effective
* efficient
* elegant
* electric
* electronic
* empty
* enchanted
* enormous
* enthusiastic
* equal
* essential
* eternal
* everyday
* evil
* excellent
* excited
* expensive
* extra
Less Common Adjectives:
* ebullient
* eccentric
* edible
* effervescent
* egotistical
* elastic
* elusive
* eminent
* emotional
* empathetic
* encouraging
* enduring
* energetic
* engaging
* enlightened
* epic
* equitable
* erratic
* evanescent
* evasive
* evergreen
* evident
* exalted
* exemplary
* exotic
* expansive
* experimental
* explicit
This is just a starting point. There are many more adjectives that begin with the letter "e"!