fastidious /fa-stidˈi-əs/

1. Easily repelled or disgusted
2. Meticulous or over-meticulous
3. Difficult to please
4. Exacting in taste, highly discriminating
5. (of bacteria) having complex requirements for growth

• knapples
• knappling
• knaps
• knapsack
• knapsacks
• knapscal
• knapscals
• knapscull
• knapsculls
• knapskull
• knapskulls
• knapweed
• knapweeds
• knar
• knarl
• knarls
• knarred
• knars
• knave
• knave-bairn
• knave-bairns
• knaveries
• knavery
• knaves
• knaveship