IPA: /oʊˈpeɪkɛst/
KK: /oʊˈpeɪkɛst/
This word describes something that is not able to be seen through; it is completely dark or unclear.
The glass was so opaquest that no light could pass through it.
Comparative: more opaque
Superlative: opaquest
This word originates from Latin 'opacus', meaning dark or shady, combined with the suffix '-est', which is used to form the superlative degree. The word 'opaquest' refers to something that is the most opaque or least transparent.
Think of 'dark' or 'shady' from 'opacus' to remember that 'opaquest' means the most opaque or least transparent.