letting /ˈlɛtɪŋ/ noun2 •(US, old-fashioned) The award of a public contractAnother letting is announced to occur, probably on the 23rd of February, and at both of these lettings, contracts aggregating more than two million dollars are to be awarded. — 1937 •(UK) Synonym of tenancy.House lettings are holding up despite fears that the buy-to-let boom could be running out of steam, according to specialist lender Paragon Mortgages. — 2002 formslettings