English Reference

Word

filtered

Phoneticsfil·tered, stress on the first syllable

US/ˈfɪɫtɝd/

UK/fˈɪltəd/

Definitions

01purified or strained

B2 · Upper Intermediate

adj. passed through a filter to remove dirt, solid pieces, or impurities.

adj. having been passed through a porous substance or device to remove suspended particles or impurities.

“The office provides filtered water so employees don't have to buy plastic bottles.”

“The laboratory requires filtered air to prevent microscopic dust particles from contaminating the sensitive chemical samples during the experiment.”

02softened light

B2 · Upper Intermediate

adj. light that is less bright because it has passed through something like a curtain or leaves.

adj. describing light that has been reduced in intensity or changed in quality by passing through a medium.

“The filtered sunlight coming through the trees made the forest look peaceful.”

“The photographer preferred the soft, filtered light of the late afternoon, which eliminated the harsh shadows typical of midday sun.”

Antonyms

Real-World Examples

“Because the Sun was setting, its light passed through more atmosphere, while smoke from nearby wildfires filtered out even more blue light.”
ScienceDaily 20 Aug 2026
“As news of Japan’s military losses filtered down into the camp, hard-liners pushed their peers to fight back against their captors.”
Smithsonian Magazine 5 Aug 2026

Etymology

From filter + -ed.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

QR code

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English Reference