IPA: /ˈfɪdliər/
KK: /ˈfɪdliər/
More difficult to handle or deal with, often because of being small or intricate.
The new software is fiddlier than the previous version, making it harder to use.
Comparative: fiddlier
Superlative: fiddliest
Fiddlier → It is formed from "fiddly" (of uncertain origin, possibly from the verb "fiddle" meaning to play with or manipulate) and the comparative suffix "-ier" (meaning more). The word "fiddlier" means more difficult to handle or deal with, often due to being intricate or requiring careful manipulation.
Think of something that is more difficult to 'manipulate' or 'play with' — that's what 'fiddlier' means.