Imbecilely is an adverb that refers to acting in a foolish, irrational, or stupid manner. Synonyms for this word may include words such as foolishly, idiotically, nonsensically, ignorantly, and absurdly. These words are often used to describe actions or behavior that is lacking in common sense or intelligence. In some cases, imbecilely may also be associated with incompetence or a lack of ability to perform certain tasks. When using synonyms for imbecilely, it is important to consider the context and tone in which the word is being used, as certain words may carry more negative connotations than others.