warrantless
war rant less |ˈwärəntləs ˈwɑrəntləs | ▶adjective carried out without legal or official authorization: warrantless searches and wiretaps.
warrantless |ˈwɒrəntləs | ▶adjective chiefly N. Amer. carried out without legal or official authorization: warrantless searches and wiretaps.