Added 9 October 2026 ans /ˈænz/ noun Categories: The BodyUncommon Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about ans at Wordnik → Where our words come from → The part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands. Related Words: yrsnlsnsanrsyearensresponseanswerageseptaged Back to today's word