Thesaurus.com
Dictionary.com
Definitions

lose out

VERB
fail
Synonyms
STRONGEST
break down decline fall
STRONG
abort backslide blunder deteriorate fizzle flop flounder fold founder miscarry miss slip
WEAK
back wrong horse be defeated be demoted be found lacking be in vain be ruined come to naught come to nothing fall flat fall short fall through go astray go down go down swinging go downhill go up in smoke go wrong hit bottom hit the skids lose control lose status meet with disaster miss the boat play into run aground turn out badly
Antonyms
STRONGEST
ascend go up rise
STRONG
accomplish achieve build correct develop do well succeed
WEAK
capture complete deliver earn finish gain merit obtain procure prosper reach win
VERB
lose
Synonyms
STRONGEST
decline drop fall
STRONG
miss succumb yield
WEAK
be humbled be outdistanced be sunk be taken to cleaners be the loser be worsted come up short drop a bundle kiss goodbye suffer defeat take a beating take the count take the heat
Antonyms
STRONGEST
ascend go up rise
WEAK
achieve confront face hold on to keep maintain meet succeed win
VERB
miscarry
Synonyms
STRONGEST
abort fall through
STRONG
backslide blunder decline deteriorate fall fizzle flop flounder fold founder misfire miss
WEAK
back wrong horse be defeated be demoted be found lacking be in vain be ruined break down come to naught come to nothing fall flat fall short go astray go down go down swinging go downhill go up in smoke go wrong hit bottom hit the skids lose control lose status meet with disaster miss fire miss the boat miss the mark play into run aground turn out badly
Antonyms
STRONG
accomplish achieve ascend build correct develop do well go up improve rise succeed

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.

Another one is that Oracle’s legacy businesses could lose out to AI.

From Barron's • Mar. 19, 2026

Watt and Dickie will also lose out on their remaining shareholding which, according to the £1.8bn valuation in 2020, would have been worth hundreds of millions.

From BBC • Mar. 6, 2026

It’s difficult to say whether these two will actually lose out to AI or emerge unscathed, but they are two examples that carry the risk of losing market share and thus further stock declines.

From Barron's • Mar. 4, 2026

It’s that firms refuse to use AI for market-facing activity and lose out to tech-savvy peers.

From MarketWatch • Feb. 25, 2026

We didn’t want to lose out to the Italians or even that one Bulgarian.

From "Middlesex: A Novel" by Jeffrey Eugenides