1. [ adverb ] in a fastidious and painstaking manner
Synonyms: painstakingly

"it is almost a waste of time painstakingly to learn the routines of selling"

Related terms: conscientious fastidious fastidious conscientious
2. [ adverb ] in a fastidious manner

"he writes extremely musical music, of which the sound is fastidiously calculated and yet agreeably spontaneous and imaginative"

Related terms: fastidious fastidious
Similar spelling:   fastidious