Antonyms for the phrase "be fittingly" can include words such as inappropriate, unsuitable, inadequate, mismatched, unfitting, and misplaced. These words imply that something is not suited to a particular situation or person and stands out as being out of place or inappropriate. When something is not fitting or appropriate, it can lead to discomfort, embarrassment, or even harm. It's important to consider the context and audience when determining if something is befitting or not. By understanding the opposite of the phrase "be fittingly," we can work to ensure that our decisions and actions are appropriate and respectful to those around us.