underbook

== English == === Etymology === From under- +‎ book. === Pronunciation === === Verb === underbook (third-person singular simple present underbooks, present participle underbooking, simple past and past participle underbooked) (ambitransitive) To fail to book enough of something; not to sell as much of something as is required. ==== Antonyms ==== overbook === Anagrams === unbrooked