Synonyms of thinned

thinned 1 of 2

adjective

1

as in polluted

containing foreign or lower-grade substances

genuine maple syrup thinned with corn syrup

Synonyms & Similar Words

• polluted
• diluted
• dilute
• contaminated
• mixed
• blended
• weakened
• tainted
• adulterated
• alloyed
• combined
• impure
• compounded
• soiled
• incorporated
• spoiled
• mingled
• corrupted
• dirtied
• unfiltered
• intermixed
• merged
• intermingled
• fouled
• debased
• unclarified
• commingled
• adulterate
• begrimed
• defiled
• sullied
• besmirched
• unrefined
• bemired
• coalesced
• befouled
• maculate
• doctored
• cheapened

Antonyms & Near Antonyms

• pure
• fine
• uncontaminated
• undiluted
• refined
• unmixed
• filtered
• uncut
• purified
• unpolluted
• concentrated
• untainted
• plain
• straight
• unadulterated
• strong
• neat
• unalloyed
• clarified
• ultrapure
• sterile
• ultrarefined
• pasteurized
• uncombined
• sterilized
• clean
• stainless
• immaculate
• unsullied
• spotless
• unsoiled

2

as in thin

not containing very much of some important element

the thinned iced tea that the restaurant serves is barely distinguishable from water

Synonyms & Similar Words

• thin
• diluted
• dilute
• weak
• weakened
• washy
• watery
• adulterated
• watered-down

Antonyms & Near Antonyms

• rich
• strong
• enriched
• fortified
• concentrated
• full-bodied
• condensed
• evaporated

thinned

2 of 2

verb

past tense of thin

as in diluted

to alter (something) for the worse with the addition of foreign or lower-grade substances

thinned the cream with milk but didn't tell anyone

Synonyms & Similar Words

• diluted
• cut
• loaded
• weakened
• infected
• poisoned
• manipulated
• extended
• adulterated
• sophisticated
• spoiled
• laced
• tainted
• degraded
• contaminated
• polluted
• watered down
• soiled
• tempered
• corrupted
• dirtied
• attenuated
• defiled
• sullied
• fouled
• misrepresented
• spiked
• debased
• qualified
• counterfeited
• falsified
• moderated
• tampered (with)
• cheapened
• doctored
• befouled
• faked
• envenomed
• fudged

Antonyms & Near Antonyms

• strengthened
• enriched
• fortified
• reinforced
• fertilized
• supplemented
• augmented
• improved
• richened
• purified
• cleaned
• refined
• filtered
• distilled
• flushed
• purged
• enhanced
• cleansed
• leached
• clarified
• larded
• pasteurized
• decontaminated
• concentrated
• condensed
• compacted
• bettered

Example Sentences

Recent Examples of thinned

Verb

Each crisis has thinned the ranks of London's independent restaurants. — Afdhel Aziz, Forbes.com, 17 July 2026

Think of traditional venues, like bars, movie theaters, and bowling alleys, which have thinned out over the years. — Catherina Gioino, Fortune, 14 July 2026

China’s military promoted two new generals after an anti-corruption purge thinned the country’s ranks. — Kayla Hayempour, NBC news, 5 July 2026

And as the 2023 dual writers’ and actors’ strikes thinned out theatrical lineups, that aversion to uncertainty became a push for reliable and profitable hits. — Samantha Masunaga, Los Angeles Times, 1 July 2026

By midsummer, many homeowners begin noticing plants popping up where their lawns have thinned. — Markis Hill, Kansas City Star, 28 June 2026

By the time Alex Branchyk, Sotheby’s chairman and head of modern and contemporary art, took over from Newman, the crowd in the room had thinned out. — George Nelson, ARTnews.com, 24 June 2026

Crowds had thinned at recent Turning Point events, and after Erika failed to appear at a University of Georgia rally, citing security concerns, the chapter president resigned. — Eliza Griswold, New Yorker, 22 June 2026

The veils of the universe have thinned. — Shania Russell, Entertainment Weekly, 21 June 2026