irariki

Bingham: Hiram Bingham, A Gilbertese-English Dictionary (1908, 1953). American Board of Commissioners for Foreign Missions.
Sabatier: Ernest Sabatier, M.S.C., Dictionnaire Gilbertin-Français (1954), translated by Sr. M. Oliva as Gilbertese-English Dictionary (1971). South Pacific Commission Publications Bureau.

Bingham

iræ/riki

a. slim, slender, fine, narrow.

n. slimness, fineness, a slim person.

irariki

a. thin, slender, slim, fine, lank.

n. thinness, fineness, slim person.

sup. irarikinonginong: extremely thin.

vc. kairarikia: to make thinner, to make thin.