1. more difficult or awkward to handle, operate, or deal with; requiring more careful attention to detail
Usage: comparative form of 'fiddly'

Examples

• This new software is fiddlier than the old version.
• Assembling the bookshelf proved fiddlier than I expected.
• The fiddlier tasks require more patience and precision.
• Threading a needle is fiddlier than tying a knot.
• She found the repair job fiddlier because of the small screws.
• The fiddlier details of the contract took hours to review.