Added 10 October 2026 costliness noun Categories: Describing WordsRare Words In Latin: cāritas Wiktionary noun ! Definition from WordNet 3.1, Princeton University. More about costliness at Wordnik → Where our words come from → The quality possessed by something with a great price or value. Related Words: dearnessexpensivenesspricinessexpensefulnesspriceynessuncostlinessostentatiousnesscheapnesscostivenesscostlessnesspenuriousnesscharacteristicness Back to today's word