| Term | Definition |
| expediency | convenience |
| expeditious | efficient |
| explicate | expound |
| expository | explanatory |
| expound | explicate |
| expropriate | seize |
| expunge | efface |
| expurgate | to remove |
| extenuating | moderating |
| extirpate | to destroy completely |
| extirpation | complete destruction |
| extol | glorify |
| extravagant | wasteful |
| extricate | set free |
| extrinsic | unnatural |
| extrovert | friendly |
| exuberance | enthusiasm |
| exultation | triumph |
| eyesore | something that is unpleasant or offensive to look |
| fabrication | lie |
| facetious | joking |
| faction | clique |
| fallacious | mistaken |
| famished | hungry |
| fastidious | difficult |
| fauna | animals in particular area |
| fecund | fertile |
| felicitous | appropriate |
| fervid | fervent |
| fetter | confine |
| fickle | changeable |
| fidelity | loyalty |
| finagle | persuade |
| finesse | skill |
| fixate | obsess |
| flabbergast | stun |
| flag | to lose energy or interest |
| flagrant | brazen |
| flank | side of something |
| flippant | flip |
| florid | ornate |
| floridity | the quality of being florid |
| flotilla | a group of small ships |
| flotsam | jetsam |
| flounder | falter |
| flourishing | doing well |
| flout | ignore |
| flux | fluctuation |
| foible | weakness |
| foolhardy | dangerous |
| foreshadow | to predict |
| foresight | the ability to judge correctly what is going to happen in the future and to take appropriate action |
| forfeit | surrender |
| forgo | to give up |
| formulaic | standard |
| forthright | honest or direct |
| fortify | to make stronger |
| fortitude | courage |
| fragility | delicacy |
| frankly | honestly |
| fraternity | friendship |
| fraternize | socialize |
| fraudulent | untrue |
| frivolity | behavior in a silly and foolish way |
| fugacious | short-lived |
| furious | extremely angry |
| furtive | stealthy |
| gaffe | error |
| gaiety | joyfulness |
| gall | to irritate |
| gallant | courteous |
| gargantuan | large |
| garish | flashy |
| garrulous | talkative |
| gaudy | flashy |
| genuflect | bow |
| gibberish | nonsense |
| gibe | taunt |
| gingerly | gently |
| glamorize | beautify |
| glum | miserable |
| glutton | overeater |
| gluttonous | eating or drinking more than you need |
| goad | motivate |
| grandiloquent | exaggerated |
| grandiose | splendid |
| gratification | satisfaction |
| gratify | satisfy |
| grating | harsh |
| gratitude | thankfulness |
| gratuitous | complimentary |
| gratuity | bonus |
| gravity | importance |
| grotesque | bizarre |
| hapless | unlucky |
| harangue | rant |
| harrowing | extremely upsetting |
| hasty | quick |
| havoc | mayhem |
| heavy-handed | clumsy |
| heed | notice |
| heinous | very bad and shocking |
| herbivore | plant-eater |
| herbivorous | plant-eating |
| heretical | profane |
| hesitant | shy |
| heterogeneous | assorted |
| hierarchical | ranked |
| hindsight | reflection |
| histrionic | theatrical |