verb transitiveWord forms: ˌunderˈpropped or ˌunderˈpropping
to prop underneath; support
underprop in American English
(ˌundərˈprɑp)
transitive verbWord forms: -propped, -propping
to prop underneath; support; uphold
Derived forms
underpropper
noun
Word origin
[1505–15; under- + prop1]This word is first recorded in the period 1505–15. Other words that entered Englishat around the same time include: alternate, grade, hub, jump, producer