aigrir

== French == === Etymology === From aigre +‎ -ir. === Pronunciation === IPA(key): /ɛ.ɡʁiʁ/ ~ /e.ɡʁiʁ/ === Verb === aigrir to make bitter, to embitter ==== Conjugation ==== This is a regular verb of the second conjugation, like finir, choisir, and most other verbs with infinitives ending in -ir. One salient feature of this conjugation is the repeated appearance of the infix -iss-. === Further reading === “aigrir”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012