In tandem with the CIA, MI6 were in the midst of running their most successful espionage operation to date.
Of course, techniques for money laundering and fraud have gotten more sophisticated in tandem.
The brain, composed of all kinds of decentralized circuits that work in tandem, has no central command center.
A debilitating brain disorder responds to bike riding—in tandem.
They rarely campaigned in tandem, and Biden was not on the nightly campaign conference calls.
The other remarked that many things in regard to a girl's personal cleanliness could be learned by riding behind her on a tandem.
I wouldn't have troubled you to send for me, only the tandem's hors de combat.
Between us we pretty nearly lifted that tandem off the ground at every stroke, I guess.
"Because I intend to back the tandem into it, and break my neck," was the unexpected answer.
But I think they ought to have tandem bikes,—not single ones,—because police should always go in pairs on long patrols.
1785, "carriage pulled by horses harnessed one behind the other," punning use of Latin tandem "at length (of time)," from tam "so" + demonstrative suffix -dem. Transferred by 1884 to bicycles with two seats.