Submitted by György Chityil ... on Fri, 01/19/2018 - 23:49 Hierarchy: VerbDescription: {{ambitransitive}} To fail to book enough of something; not to sell as much of something as is required.Ngram: underbookNgram Text: underbookSource: WiktionaryIssue: 0Wiktionary tag: ambitransitiveNgram Count: 1