The phrase "more ad hoc" refers to something that is done in a haphazard or unplanned manner. Some synonyms for this phrase are "random," "improvised," "impromptu," "spontaneous," and "unsystematic." These words indicate that something is not well thought-out or organized, and may be done on the fly or without much preparation. Other possible synonyms include "informal," "makeshift," "nonchalant," "offhand," and "casual." Whether used to describe a meeting, project, or decision-making process, the phrase "more ad hoc" implies a lack of structure, formality, or strategy, and suggests that something may be done with less care or forethought than is optimal.