Added 10 October 2026 lettish noun Categories: LanguageObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about lettish at Wordnik → Where our words come from → The official language of Latvia; belongs to the Baltic branch of Indo-European. Related Words: latvianletticlivonianliberlandishlatgalianlusatianlaotianlezgilisulydianliechtensteinselonian Back to today's word