| definitive |
| delicate(complex, high-level) |
| developed |
| developing(radical, groundbreaking, world-shattering) |
| difficult |
| dominant(quality, tough, superior, heavy, best) |
| elaborate(complex, high-level) |
| else(adjective, new, replacement, additional, other) |
| everyday(common, accepted, dominant, widespread, predominant) |
| exceptional(extraordinary, unusual, sophisticated, higher, pioneering) |
| existing(present, current, modern, up-to-date, recent) |
| expedient(new, current, advanced, contemporary, timely) |
| experimental(new, modern, pioneering, trailblazing, cutting-edge) |
| extensive(common, accepted, dominant, widespread, predominant) |
| extra(adjective, new, replacement, additional, other) |
| extraordinary(unusual, phenomenal) |
| extreme(sophisticated, leading-edge, higher, pioneering, trailblazing) |
| fabulous(extraordinary, unusual, phenomenal) |
| faddish(new, current, advanced, up-to-date, contemporary) |
| faddy(rage, new, common, accepted, latest) |