superessive adjective 1noun 1forms 1 adjective1 •Of or relating to the superessive case. noun1 •Synonym of superessive case."TIZA 'ten' and HUSA 'twenty' have irregular superessives in forms such as "TIZA:N + "OT tizenot [tizenot] 'fifteen', HUSA:N + HAT huszonhat [husonhot] 'twenty-six';[…]. — 1988 formssuperessives