Unfunded refers to the lack of financial backing or resources for a particular project or initiative. Synonyms for unfunded include underfunded, unsupported, unfinanced or without financial aid. All of these terms indicate a lack of necessary resources or backing, which can lead to challenges in completing projects or initiatives effectively. Other related phrases that can be used instead of unfunded include financially challenged, financially unstable or financially insufficient. These phrases highlight the fact that there is an inadequacy of resources, which can lead to difficulties such as reduced productivity, limited opportunities or even project failure.