unterfrankieren

== German == === Etymology === unter- +‎ frankieren === Verb === unterfrankieren (weak, third-person singular present unterfrankiert, past tense unterfrankierte, past participle unterfrankiert, auxiliary haben) (philately) insufficiently franking a piece of mail. ==== Conjugation ==== === Further reading === “unterfrankieren” in Digitales Wörterbuch der deutschen Sprache