IPA: /ˈkoʊli/
KK: /ˈkoʊli/
This word describes something that has the most characteristics of coal, such as being dark, sooty, or resembling coal in appearance or quality.
The coaliest part of the mine was filled with thick black dust.
Comparative: coalier
Superlative: coaliest
The word 'coaliest' is derived from 'coal' (from Old English 'cal', meaning a carbonaceous material used as fuel) and the suffix '-iest' (meaning most). Therefore, 'coaliest' refers to something that has the most characteristics or qualities of coal.
Think of 'coal' as a material that is dark and used for fuel, and remember that 'coaliest' means having the most qualities of coal.