- painstakingly
- Synonyms and related words:assiduously, carefully, cautiously, circumspectly, considerately, diligently, dingdong, earnestly, exhaustively, heedfully, industriously, intensely, lovingly, meticulously, mindfully, regardfully, sedulously, solicitously, tenderly, thoroughgoingly, thoroughly, thoughtfully, unremittingly, with care, with great care
Moby Thesaurus. Grady Ward. 1996.