Origin: 1250–1300; Middle English enprisonen <
Old French enprisoner, equivalent to
en- en-1 +
prison prison +
-er infinitive suffix
Related formsim·pris·on·a·ble, adjective
im·pris·on·er, noun
im·pris·on·ment, noun
re·im·pris·on, verb (used with object)
re·im·pris·on·ment, noun
EXPANDun·im·pris·on·a·ble, adjective
un·im·pris·oned, adjective
COLLAPSESynonyms
1. incarcerate, jail, restrain.