| Term | Definition |
| Expiate | to atone or to make amends for a sin or a crime |
| Extant | still in existence |
| Fervent | ardent, showing great emotion, impassioned |
| Florid | flowery, flushed with color |
| Foliage | leaves of a plant, leafage |
| Forbearance | patience, lenience |
| Foreboding | premonition of evil, an ominous omen |
| Fugitive | person who is illusive or hard to find, wandering |
| Furrow | to make wrinkles or grooves |
| Gaunt | very thin, emaciated, angular |
| Gentility | state of refinement, member of the upper class or gentry |
| Gratuitous | given freely, unwarranted |
| Grievous | characterized by severe suffering or sorrow, serious or grave |
| Ignominy | disgraceful or dishonorable conduct |
| Imbibe | to absorb or to drink in |
| Imperious | extremely overbearing |
| Implicit | understood but not directly expressed |
| Import | relative importance or significance |
| Impugn | to assail, or to attack one's honor or integrity |
| Impute | to blame or to charge |
| Inauspicious | unfavorable |
| Incantation | a spell, written or recited formula of words designed for a particular effect |
| Inclement | stormy, severe |
| Incongruity | nonconformity, disagreement, incompatibility |
| Incurious | uninterested, lacking normal curiosity |
| Indefatigable | tireless, incapable of being fatigued |
| Inextricable | not able to be disentangled |
| Infamous | having a reputation of the worst kind, vicious, notoriously bad |
| Inopportune | inconvenient, poorly timed |
| Inscrutable | difficult to understand, mysterious |