Adjective
Requiring dexterity to operate.
The buttons on the tiny mobile phone were too fiddly.
(by extension) Having many small bits or embellishments.
Of or relating to fiddling or fidgeting.
Pertaining to occasional under-the-table work by people who receive unemployment benefits
Source: en.wiktionary.orgThe girls were expected to grow up to be somebody's wife. They were also expected to read and write, those being considered soft indoor jobs that were too fiddly for the boys. Terry Pratchett
I don't like fancy fiddly girlie stuff. Simon Baker
Attaching a screen protector isn’t hard, but it can be fiddly. Source: Internet
And the video had to be in HTML5 native video format – no Flash or fiddly JS wrappers. Source: Internet
I can't find a good link to a definition of the last two, so you'll have to trust me when I tell you it is darn fiddly. Source: Internet
I'm always too hungry and impatient and find steamboat/hot pot a bit too fiddly for my linking. Source: Internet