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 needed, the new growths can be thinned out to allow more room for new ones to grow. — Tom MacCubbin, The Orlando Sentinel, 22 Aug. 2026

Maintain an adequate layer of mulch By late summer, the three-inch layer of straw mulch applied to many vegetable gardens in early spring may have thinned considerably. — Anthony Reardon, Kansas City Star, 19 Aug. 2026

They are cut through with old roads and have been thinned in places by wildfires and logging. — Andrew Graham, Sacbee.com, 19 Aug. 2026

The Stars’ system has thinned out as their elite young players have firmly established themselves in the NHL. — Corey Pronman, New York Times, 18 Aug. 2026

Fall is an ideal time to visit Cape Cod, when the summer crowds have thinned out a bit, but sunny days and just a hint of crispness at night are a delight. — Kim Foley MacKinnon, Forbes.com, 18 Aug. 2026

Peaches are thinned when fruits reach the size of a dime or nickel in diameter, before the pit hardens, typically in May. — Kim Toscano, Southern Living, 17 Aug. 2026

Alternatively, for a quieter getaway, both Carro and Horn recommend visiting in September, when the ocean remains warm but the summer crowds have thinned. — Lauren Dana Ellman, Travel + Leisure, 15 Aug. 2026

The bears were getting thinned out in Mississippi, and the wilderness was sadly reduced. — Paul Schullery, Outdoor Life, 13 Aug. 2026