Word family noun pay payment repayment payer payee adjective paid ≠ unpaid underpaid ≠ overpaid payable verb pay repay underpay ≠ overpay
From Longman Dictionary of Contemporary Englishunderpayun‧der‧pay /ˌʌndəˈpeɪ $ -ər-/ verb (past tense and past participle underpaid) [transitive] PAY somebody FOR WORKto pay someone too little for their work→ See Verb tableExamples from the Corpus
underpay• At one point Truitte realized that he had been underpaying Alvin by a large amount.• The current account mortgage lets you overpay and underpay and there are no penalties.• The U. S. Treasury loses an estimated $ 130 billion each year because of citizens who underpay or file no return.• Borrowers who underpay tax if interest rates rise must give any unpaid interest to the Revenue in the subsequent 12 months.• At that rate of interest, it was almost good business to underpay your taxes.From Longman Business Dictionaryunderpayun‧der‧pay /ˌʌndəˈpeɪ-ər-/ verb (past tense and past participle underpaid) [intransitive, transitive]1to pay less money to people than they deserve for their workIn an interview, the star said that the studio underpays and misuses him.2to pay less money to a person or organization than is owed to themThe construction company had underpaid its income, employment and excise taxes by $3.2 billion over an eleven-year period.→ See Verb table 