| Adult | grown-up ~ mature ~ full-grown ~ ripe ~ fully developed |
| Alert | attentive ~ wide-awake ~ watchful ~ vigilant ~ aware ~ observant |
| Alive | living ~ animate ~ animated ~ vital ~ active ~ existing |
| Angry | cross ~ upset ~ fussy ~ grouchy ~ irritable ~ cranky ~ mad ~ furious ~ annoyed ~ irritated ~ aggravated ~ exasperated ~ incensed ~ enraged |
| Awful | terrible ~ horrible ~ dreadful ~ appalling ~ frightful ~ repulsive ~ offensive ~ disgusting |
| Bad | wicked ~ evil ~ sinful ~ vile ~ mischievous ~ sinister ~ harmful ~ destructive ~ pernicious ~ malevolent ~ malicious |
| Big | large ~ huge ~ enormous ~ vast ~ immerse ~ gigantic ~ colossal ~ tremendous ~ massive ~ titanic ~ mammoth ~ monumental |
| Boring | dull ~ uninteresting ~ tedious ~ monotonous ~ tiresome ~ blah ~ humdrum ~ wearisome ~ fatiguing |
| Brave | fearless ~ daring ~ defiant ~ bold ~ courageous ~ heroic ~ stalwart ~ intrepid ~ audacious ~ dauntless |
| Careful | painstaking ~ thorough ~ exact ~ cautions ~ prudent ~ watchful ~ vary ~ vigilant |
| Clumsy | awkward ~ ungainly ~ gawky ~ lumbering |
| Curious | inquisitive ~ interested ~ nosy ~ prying ~ spying ~ peeping ~ meddlesome |
| Dark | gloomy ~ dusky ~ dim ~ unlit |
| Deadly | fatal ~ mortal ~ lethal ~ malignant ~ virulent ~ killing |
| Delicious | tasty ~ appetizing ~ luscious ~ savory ~ palatable ~ delectable ~ scrumptious ~ yummy |
| Different | unlike ~ diverse ~ distinct ~ various |
| Dirty | filthy ~ grimy ~ soiled ~ dingy ~ unsanitary ~ polluted ~ grubby |
| Dishonest | lying ~ untruthful ~ untrustworthy ~ deceitful ~ crooked ~ devious ~ mendacious |
| Eager | enthusiastic ~ keen ~ avid ~ fervent ~ ardent ~ zealous |
| Easy | effortless ~ simple ~ uncomplicated |
| Enough | ample ~ sufficient ~ adequate ~ abundant ~ plenty |
| Fake | phony ~ false ~ artificial ~ imitation ~ bogus ~ counterfeit ~ pretended ~ feigned |
| Famous | noted ~ prominent ~ eminent ~ celebrated ~ illustrious ~ notorious |
| Fast | rapid ~ quick ~ swift ~ speedy ~ fleet ~ expeditious |
| Foolish | ridiculous ~ silly ~ absurd ~ senseless ~ inane ~ asinine ~ witless ~ fatuous |
| Funny | amusing ~ humorous ~ witty ~ hilarious ~ comical ~ ridiculous ~ jocular ~ whimsical |
| Good | fine ~ excellent ~ great ~ worthy ~ outstanding ~ admirable ~ respectable ~ splendid ~ superb ~ superior |
| Grand | magnificent ~ stately ~ majestic ~ splendid ~ impressive ~ dignified ~ palatial |
| Grateful | thankful ~ pleased ~ appreciative ~ indebted ~ obliged ~ beholden |
| Great | wonderful ~ amazing ~ terrific ~ superb ~ remarkable ~ splendid ~ marvelous ~ sensational ~ fabulous ~ spectacular ~ phenomenal |
| Heavy | weighty ~ ponderous ~ massive ~ hefty |
| Hot | sweltering ~ sultry ~ torrid ~ warm ~ lukewarm ~ tepid |
| Important | significant ~ substantial ~ consequential ~ crucial ~ critical ~ momentous ~ eventful ~ principal ~ chief ~ major ~ main |
| Jealous | envious ~ resentful ~ grudging ~ covetous ~ green-eyed |
| Lively | active ~ energetic ~ vigorous ~ animated ~ inexhaustible |
| Loud | noisy ~ deafening ~ clamorous ~ blatant ~ clangorous ~ riotous ~ earsplitting |
| Many | numerous ~ various ~ countless ~ innumerable ~ diverse ~ multitudinous |
| Mean | cruel ~ malicious ~ disagreeable ~ contemptible ~ despicable ~ ignominious ~ shameful |
| Nervous | restless ~ fidgety ~ edgy ~ uptight ~ apprehensive ~ tense ~ excitable ~ high-strung |
| Perfect | flawless ~ faultless ~ ideal ~ impeccable ~ matchless |
| Polite | courteous ~ well-mannered ~ gracious ~ civil ~ mannerly ~ considerate ~ respectful |
| Pretty | beautiful ~ lovely ~ handsome ~ gorgeous ~ attractive ~ exquisite ~ comely ~ fair ~ pleasing ~ stunning |
| Rich | wealthy ~ affluent ~ prosperous ~ well-to-do ~ loaded ~ moneyed ~ well-off |
| Rough | coarse ~ uneven ~ rugged ~ bumpy ~ craggy ~ jagged |
| Sad | unhappy ~ miserable ~ gloomy ~ depressed ~ melancholy ~ blue ~ downhearted ~ morose ~ dejected ~ dispirited ~ despondent |
| Shy | bashful ~ timid ~ meek ~ reserved ~ diffident ~ demure ~ reticent ~ retiring ~ humble ~ modest ~ sheepish |
| Smart | intelligent ~ clever ~ bright ~ wise ~ learned ~ adroit ~ brilliant ~ sharp ~ ingenious |
| Strange | odd ~ peculiar ~ unusual ~ funny weird ~ abnormal ~ bizarre ~ atypical |
| Strong | powerful ~ hardy ~ muscular ~ vigorous ~ mighty ~ herculean ~ hearty ~ brawny |
| Stubborn | obstinate ~ willful ~ headstrong ~ rigid ~ inflexible ~ intractable ~ bull-headed ~ contumacious |
| Thin | slender ~ slim ~ lean ~ slight ~ skinny ~ gaunt ~ lank ~ scrawny ~ emaciated |
| Tired | exhausted ~ weary ~ worn ~ worn out ~ sleepy ~ fatigued ~ haggard ~ enervated ~ drained ~ bushed ~ overworked ~ spent ~ wearied |
| Violent | vehement ~ intense ~ vicious ~ destructive ~ wild ~ brutal ~ barbarous ~ savage ~ fierce |
| Wet | moist ~ humid ~ clammy ~ dank ~ moistened ~ soaked ~ drenched ~ saturated ~ sodden ~ waterlogged ~ dripping |
| Wild | untamed ~ fierce ~ ferocious ~ savage ~ agitated ~ stormy ~ frenzied ~ turbulent ~ riotous ~ boisterous |