IPA: /ˈbɔːɡiər/
KK: /ˈbɔɡiər/
More wet and muddy than something else.
The path became boggier after the heavy rain.
Comparative: boggier
Superlative: boggiest
The word 'boggier' is derived from 'bog' (from Old English 'bōc', meaning a wet, marshy area) and the comparative suffix '-ier' (indicating more). Thus, 'boggier' means more like a bog or marshy area.
Think of a 'bog' as a wet, marshy place, and remember that 'boggier' means more like that wet area.