Definitions

yo-yo

[yoh-yoh] / ˈyoʊ yoʊ /

ADJECTIVE

capricious

Synonyms

STRONGEST

arbitrary careless erratic fickle flighty helter-skelter impulsive quirky temperamental unpredictable unreasonable unstable volatile wayward whimsical

WEAK

any way the wind blows blowing hot and cold changeful contrary crotchety effervescent every which way fanciful fitful flaky freakish gaga humorsome inconstant kinky lubricious mercurial moody mutable notional odd picky punchy ticklish up and down vagarious variable

Antonyms

STRONGEST

cautious constant predictable reasonable reliable sensible stable steady thoughtful unchanging

WEAK

dependable staid steadfast

ADJECTIVE

fickle

Synonyms

STRONGEST

capricious changeable flighty temperamental unpredictable unstable volatile

WEAK

arbitrary cheating coquettish double-crossing faithless fitful frivolous inconstant irresolute lubricious mercurial mutable quicksilver sneaking ticklish two-timing unfaithful unsteady untrue variable whimsical

Antonyms

STRONGEST

constant stable steadfast steady

WEAK

aware cognizant faithful reliable

ADJECTIVE

mercurial

Synonyms

STRONGEST

changeable effervescent erratic impulsive resilient unpredictable volatile

WEAK

blowing hot and cold bubbleheaded buoyant capricious elastic expansive fickle flaky flip fluctuating gaga gay inconstant irregular irrepressible lighthearted lively lubricious mad mobile movable quicksilver spirited sprightly ticklish unstable up-and-down variable

Antonyms

STRONGEST

certain constant predictable reliable stable steady sure unchanging

WEAK

calm tranquil unchangeable unperturbable unvarying

ADJECTIVE

variable

Synonyms

STRONGEST

fickle fluctuating volatile

STRONG

fluid irregular mobile shifting wavering

WEAK

capricious changeful fitful flexible iffy inconstant mercurial mutable protean shifty slippery spasmodic temperamental ticklish uncertain unequable unsettled unstable unsteady vacillating waffling

Antonyms

STRONGEST

stable

WEAK

invariable unchangeable unchanging unvarying

NOUN

half-wit

Synonyms

STRONG

blockhead clod cretin dimwit dingbat dolt dope dork dullard dumbbell dummy dunce dunderhead fool idiot ignoramus imbecile moron nitwit simpleton

WEAK

born fool clodpoll jughead lamebrain pea brain stupid person

Antonyms

STRONG

brain genius

NOUN

nincompoop

Synonyms

STRONGEST

dunce

STRONG

ass blockhead boob clod dolt fool imbecile jerk lummox moron ninny nitwit simpleton

WEAK

witling

Antonyms

STRONG

brain

NOUN

dolt

Synonyms

STRONGEST

clodpoll

STRONG

airhead blockhead boob chump dimwit dodo dope dork dumbbell dumdum dunce fool idiot ignoramus lunkhead nitwit sap simpleton stupid

WEAK

clodpate lamebrain meathead

Antonyms

STRONG

brain genius

VERB

alternate

Synonyms

STRONGEST

alter intersperse rotate vary waver

STRONG

change exchange fluctuate follow interchange oscillate relieve seesaw shift substitute sway vacillate

WEAK

act reciprocally blow hot and cold come and go fill in for follow in turn shilly-shally

Antonyms

STRONGEST

remain stay

STRONG

hold keep persist

WEAK

continue

VERB

fluctuate

Synonyms

STRONGEST

oscillate seesaw vary veer waver

STRONG

alter alternate flutter hesitate shift swing undulate vibrate wave

WEAK

be undecided blow hot and cold ebb and flow go up and down hem and haw rise and fall

Antonyms

STRONGEST

remain stay

STRONG

continue

WEAK

hold persist

VERB

shift

Synonyms

STRONGEST

alter change deviate drift move relocate remove ship shuffle transfer turn vary veer

STRONG

about-face budge cook dislocate displace disturb exchange fault flip-flop rearrange replace reposition stir substitute swerve tack transmogrify transpose vacillate waffle

WEAK

blow hot and cold bottom out change gears dial back do up hem and haw move around move over recalibrate swap places switch over turn around turn the corner turn the tables

Antonyms

STRONGEST

continue fix hold keep remain stay

STRONG

calm leave alone order

WEAK

deactivate stagnate

VERB

sway

Synonyms

STRONGEST

bend lean swing waver wobble

STRONG

careen fluctuate incline lurch oscillate pulsate rock roll stagger undulate vibrate wave weave

WEAK

blow hot and cold hem and haw pendulate

Antonyms

STRONGEST

straighten

STRONG

remain stabilize

WEAK

leave alone steady

VERB

vacillate

Synonyms

STRONGEST

dither fluctuate oscillate seesaw waffle waver

STRONG

alternate change hedge hesitate hover pause reel rock stagger straddle sway swing

WEAK

be indecisive be irresolute change mind fence-straddle hem and haw pussyfoot around run hot and cold shilly-shally whiffle

Antonyms

STRONGEST

remain stay

STRONG

continue hold persist

VERB

vary

Synonyms

STRONGEST

alter differ diverge diversify divide fluctuate modify range

STRONG

alternate assort convert depart deviate digress disagree displace dissent divaricate inflect interchange mutate part separate swerve transform turn variegate

WEAK

be unlike blow hot and cold hem and haw permutate shilly-shally take turns

Antonyms

STRONGEST

agree conform disorganize hold join keep maintain remain retain

STRONG

arrive come concur consent continue stay wait

VERB

waffle

Synonyms

STRONGEST

flip-flop vacillate

STRONG

change equivocate

WEAK

change one's mind

VERB

waver

Synonyms

STRONGEST

dither falter fluctuate hedge hesitate oscillate pause quiver seesaw shake sway teeter tremble vacillate vary waffle wobble

STRONG

change deliberate dilly-dally flicker halt palter reel stagger totter trim undulate wave weave

WEAK

be irresolute be unable to decide blow hot and cold hem and haw pussyfoot around run hot and cold whiffle

Antonyms

STRONGEST

calm continue persist remain stay steady

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Repeated weight loss followed by weight regain, often called "yo-yo dieting" or weight cycling, has long been viewed as unhealthy and potentially even worse than staying overweight.

From Science Daily • May 17, 2026

They use a "flywheel exercise device," similar to a yo-yo, that can allow for aerobics like rowing as well as provide resistance to perform moves like weighted squats and deadlifts.

From Barron's • Apr. 4, 2026

The sector’s shrinkage reflects years of yo-yo profitability and of returning gobs of cash to shareholders because companies lacked good reinvestment opportunities.

From The Wall Street Journal • Mar. 12, 2026

Sometimes I'm up and down like a yo-yo.

From BBC • Dec. 29, 2025

The yo-yo attached to Alex’s belt spun, trailing out thirty yards of specially designed advanced nylon cord.

From "Stormbreaker" by Anthony Horowitz

Vocabulary lists containing yo-yo

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yo-yo

Example Sentences

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Vocabulary lists containing yo-yo

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