The definition of interrogate is to formally ask inquisitive questions, especially for the purposes of trying to find out something the other person doesn't want you to know.(verb)
When police question a suspected murderer for hours to try to get him to confess, this is an example of a time when the police interrogate the possible murderer.
See interrogate in Webster's New World College Dictionary
See interrogate in American Heritage Dictionary 4
transitive verb in·ter·ro·gat·ed, in·ter·ro·gat·ing, in·ter·ro·gates
Origin: Middle English enterrogate
Origin: , from Latin interrogāre, interrogāt-
Origin: : inter-, in the presence of; see inter-
Origin: + rogāre, to ask; see reg- in Indo-European roots.
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