Added 9 October 2026 betterment /ˈbɛtəmənt/ noun Categories: ActionsDescribing WordsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about betterment at Wordnik → Where our words come from → A change for the better; progress in development. An improvement that adds to the value of a property or facility. The act of relieving ills and changing for the better. Related Words: ameliorationimprovementadvancemeliorationimprovedimprovingimproveenhancedadvancementprogressupgradingupgradation Back to today's word