1. In a fastidious and painstaking manner
   - painstakingly 
2. In a fastidious manner
   "he writes extremely musical music, of which the sound is fastidiously calculated and yet agreeably spontaneous and imaginative"

See also: fastidious

• Collinsia bicolor
• Collinsia heterophylla
• Collinsia parviflora
• Collinsia verna
• Collinsonia
• Collinsonia canadensis
• Collis Potter Huntington
• collision
• collision course
• Collocalia
• Collocalia inexpectata
• collocate
• collocate with
• collocation
• collodion
• collogue
• colloid
• colloidal
• colloidal gel
• colloidal solution
• colloidal suspension
• colloidally
• collop
• colloq.
• colloquial