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

If your mulch is faded or has thinned out, refresh it with new mulch. — Karen Brewer Grossman, Southern Living, 4 Nov. 2026

Callahan’s baritone vocals are thinned out by the weak bass, though. — Mark Knapp, PC Magazine, 3 Nov. 2026

The project also includes two helicopter landing zones, vegetation clearing to reduce wildfire risks and areas where trees and other vegetation have been thinned to help slow the spread of fires and support emergency crews. — Nicole Buss, Sacbee.com, 1 Nov. 2026

For example, healthcare teams with stronger psychological safety before the pandemic carried lower burnout and turnover intent through it, even as resources thinned. — Annette Logan-Parker, Forbes.com, 30 Oct. 2026

Each day, fewer people responded in the group chat, and the ranks thinned. — Alessandra Schade, Vanity Fair, 28 Oct. 2026

Egor Dëmin’s right-leg contusion and Nolan Traoré’s cramps had thinned Brooklyn’s backcourt, leaving Fernández to lean more heavily on a rookie whose playing time was still being carefully managed. — C.j. Holmes, New York Daily News, 28 Oct. 2026

The most prominent glaciers in Colorado thinned dramatically over the past year due to record low mountain snow and record warm temperatures, according to new research. — ABC News, 27 Oct. 2026

Still, China-watchers expect a new generation of officials to ascend to senior positions as the party looks to replenish top ranks thinned out by the anti-graft effort. — Prashant Rao, semafor.com, 26 Oct. 2026