inaudible

adjective  C2
Plain meaning

too quiet to be heard

Exam-register meaning

In formal or high-level texts, it is used to describe too quiet to be heard, often with a precise or specialised tone.

In context
naturalHis response sounded inaudible, so the conversation became difficult.
examThe passage presents a inaudible assessment of the policy’s wider consequences.
Common collocations
a inaudible responseinaudible behavioura inaudible situation
Watch out
Do not use “very inaudible” automatically; some advanced adjectives already carry a strong meaning or need a more natural intensifier.
Word family
inaudibleness (noun, where natural)inaudiblely (adverb, where natural)
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The evidence led to a/an  ______  conclusion about the programme.

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