I. kəˈräbəˌrāt, usu -ād.+V verb
( -ed/-ing/-s )
Etymology: Latin corroboratus, past participle of corroborare, from com- + roborare to strengthen, from robor-, robur strength — more at robust
transitive verb
1. obsolete : to make strong or strengthen in body or construction
2. : to establish or make firm
corroborate his authority
: establish legally or by law
3. : to provide evidence of the truth of : make more certain : confirm
the authority of religion and science did not corroborate Bellamy's high view of man — Joseph Schiffman
intransitive verb
: to give evidence or confirmation
Synonyms: see confirm
II. -b(ə)rə̇t adjective
Etymology: Latin corroboratus
archaic : corroborated