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

The Sunday afternoon crowd thinned out by the time the bottom of the 10th inning rolled around at Oracle Park. — Justice Delos Santos, Mercury News, 9 Aug. 2026

Speculation about a wig has seemingly increased as the president has aged and his hair has thinned, with public appearances over the years where his hair is blown by the wind becoming fodder for jokes about it. — Antonio Pequeño Iv, Forbes.com, 6 Aug. 2026

Both pertained to the same player in a way that had some believing there could be an easy out to fill out a Heat roster thinned by the Giannis Antetokounmpo trade. — Ira Winderman, Sun Sentinel, 3 Aug. 2026

Beyond this zone, vegetation should be pruned, thinned and adequately spaced to avoid flames easily spreading. — John Abatzoglou, The Conversation, 3 Aug. 2026

The pandemic simply thinned out a schedule that had settled into a rhythm of one American project and one Asian project a year. — Naman Ramachandran, Variety, 23 July 2026

That patience has thinned as the fighting has ebbed and flowed, and a quarter of companies now plan cuts, a survey by staffing firm ManpowerGroup found. — Manal Albarakati, semafor.com, 22 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