- 1+ speech interpolate something to make a remark that interrupts a conversation synonym interject “But why?” he interpolated.
- 2interpolate something (into something) to add something to a piece of writing synonym insert The lines were interpolated into the manuscript at a later date.
- 3interpolate something (mathematics) to add a value into a series by calculating it from surrounding known values
NAmE//ɪnˈtərpəˌleɪt//(formal)Verb Forms present simple I / you / we / they interpolate
he / she / it interpolates
past simple interpolated
-ing form interpolating
interpolationjump to other results
NAmE//ɪnˌtərpəˈleɪʃn//noun [uncountable, countable]