English Reference

Word

impossibly

Phoneticsim·pos·si·bly, stress on the second syllable

US/ˌɪmˈpɑsəbɫi/

UK/ɪmpˈɒsəbli/

Definition

adv. in a way that is very difficult or impossible to do. You use this when something seems so hard that you think it cannot be done at all.

adv. in a manner that is extremely difficult or impossible to achieve. Often used to emphasize the degree of difficulty or the impossibility of a situation.

Examples

“The task is impossibly difficult for a beginner.”

“The mountain peak was impossibly high, making the climb seem like a dream rather than a reality.”

“The architect's vision was impossibly ambitious for the budget, requiring materials and labor that the city council could not afford to provide.”

Examples

simple

“The task is impossibly difficult for a beginner.”

contextual

“The mountain peak was impossibly high, making the climb seem like a dream rather than a reality.”

complex

“The architect's vision was impossibly ambitious for the budget, requiring materials and labor that the city council could not afford to provide.”

Real-World Examples

“Lowanro City’s skyline is dominated by an oppressive clock tower, silhouetted against a moody red sky and an impossibly large, ominous moon.”
The Guardian 20 Aug 2026
“This was the point where the project stopped feeling fun and started feeling impossibly hard.”
Ars Technica 23 Jul 2026

Etymology

From impossible + -ly.

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

Word family

ADVERB

impossibly(B2)

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
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference