| erstwhile | Former; of times past | |
| erudite | having or showing great knowledge or learning | |
| esoteric | Intended for or likely to be understood by only a small number of people with a specialized knowledge or interest | |
| espouse | To support or adopt a cause, belief, or way of life | |
| espy | To catch sight of something, especially something distant or obscure; to glimpse | |
| estranged | No longer close or affectionate to someone; alienated | |
| ethereal | Extremely delicate and light in a way that seems too perfect for this world | |
| etiolated | Having lost vigor or substance; feeble | |
| euphemism | A mild or indirect word or expression substituted for one considered to be too harsh or blunt when referring to something unpleasant or embarrassing | |
| evanescent | Soon passing out of sight, memory, or existence; quickly fading or disappearing | |