Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb underwrite

2 senses of underwrite

Sense 1
underwrite, subvention, subvent -- (guarantee financial support of; "The opera tour was subvented by a bank")
       => undertake, guarantee -- (promise to do or accomplish; "guarantee to free the prisoners")

Sense 2
cover, insure, underwrite -- (protect by insurance; "The insurance won't cover this")
       => guarantee, warrant -- (stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information")