Adverb
In an insipid manner; without taste, life, or spirit; flatly.
Source: Webster's dictionaryCuriosity in children, is but an appetite for knowledge. One great reason why children abandon themselves wholly to silly pursuits and trifle away their time insipidly is, because they find their curiosity balked, and their inquiries neglected. John Locke
insipidly expressed thoughts Source: Internet