| Term | Definition |
| facetious | joking (often inappropriately); humorous |
| facilitate | help bring about; make less difficult |
| fallacious | false; misleading |
| fatuous | brainless; inane; foolish, yet smug |
| fawning | trying to please by behaving obsequiously, flattering or cringing |
| fecund | fertile; fruitful; productive |
| fervid | intensely emotional; feverish |
| fetid | foul-smelling; putrid |
| felicitous | apt; suitably expressed; well chosen |
| fervor | glowing ardor; intensity of feeling |
| flag | droop; grow feeble |
| fledgling | inexperienced |
| florid | excessively decorated or embellished |
| flout | reject; mock; show contempt for |
| foment | stir up; instigate |
| forestall | prevent by taking action in advance |
| frugality | thrift; economy |
| furtive | secret; stealthy |
| futile | useless; hopeless; ineffectual |
| gainsay | to declare to be untrue or invalid; deny |
| gambol | to dance or skip around playfully |
| garner | to gather and store |
| garrulous | loquacious; wordy; talkative |
| glib | ready with words but insincere or superficial; offhand; casual |
| glower | to glare or stare angrily and intensely |
| goad | urge on |
| gouge | overcharge |
| grandiloquent | pompous; bombastic; using high-sounding language |
| gregarious | sociable |
| guileless | without deceit |
| gullible | easily deceived |
| hapless | unfortunate; having bad luck |
| harangue | long, passionate, and vehement speech |
| hegemony | the domination of one state or group over its allies |
| hermetic | tightly sealed |
| hoary | very old; whitish or gray from age |
| homogeneous | of the same kind |
| hyperbole | exaggeration; overstatement |
| nadir | lowest point |
| nascent | starting to develop; coming into existence |
| negate | cancel out; nullify; deny |
| neologism | new word or expression |
| nettle | to irritate |
| nuance | a subtle expression of meaning or quality |
| neophyte | recent convert; beginner; tyro |
| nebulous | vague; cloudy; lacking clearly defined form |