| erudite(deep, thoughtful, reflective) |
| excruciating |
| exquisite(adjective, strong, slight, sharp, fine) |
| fanatical(feeling, strong, powerful) |
| farseeing(psychic, clairvoyant, telekinetic, mystic, intuitive) |
| forceful(strong, sharp, powerful, cutting, incisive) |
| forcible(strong, sharp, intense, powerful, influential) |
| gelid(adjective, cool, severe, keen, sharp) |
| grating(adjective, shrill) |
| hawkish(adjective, cool, severe, keen, sharp) |
| hiemal(adjective, cool, severe, keen, sharp) |
| hyperborean(adjective, cool, severe, keen, sharp) |
| hysterical |
| inclement(adjective, cool, severe, keen, sharp) |
| informed(deep, thoughtful, perceptive, observant, insightful) |
| ingenious(slight, sharp, fine, smart, bright) |
| ingoing(adjective, sharp, powerful, unkind, pungent) |
| inserting(verb, inserting) |
| intellectual(smart, bright, deep, thoughtful, brainy) |
| intruding(verb, inserting) |