› [I] TRANSPORT to make the same journey regularly from home to work: He commuted every day, back and forth, an hour and 20 minutes each way. Debbie works for an investment bank and is presently commuting between Paris and Luxemburg. Duffy has commuted from Windsor to London for the past seven years. › [T] FINANCE, INSURANCE to exchange one type of payment or investment for another type: Pensioners who commute their pension for a lump sum sometimes face huge losses. › [T] LAW to replace a punishment with a less severe one: Davis still faces execution unless the parole board commutes his sentence to life in prison.