Adjective: soundproof
Comparison Forms
Synthetic
Perifrastic
| Comparative | more soundproof |
| Superlative | most soundproof |
Sample Sentences
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The contestant was placed in a soundproof booth so he could not receive help from the audience.
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The electrical activity of the subject's cerebral cortex was recorded in a state of relative rest, after a 5 min adaptation of the subject to a dark soundproof chamber. The biopotentials were recorded from the electroencephaloscope screen […] [2013, K. H. Pribram, A. R. Luria, Psychophysiology of the Frontal Lobes, page 92:]
Adjectives inflected like soundproof
priest-ridden,
unreposed,
evadible,
dissentious,
dissentient,
unforesighted,
egocentrical,
unephemeral,
unennobling,
mensuralist,
flocculent,
unseductive,
whoopsy,
whooshy,
surrogate,
Nicodian,
unrepaired,
prismatoidal,
renorenal,
unseducible, etc. (List truncated at 20 adjectives)
Etymology
1. Etymology tree
2. English sound
3. English proof
4. English -proof
5. English soundproof
6. From sound + -proof.