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Related to in tandem: thesaurus
Occurring or acting simultaneously or in conjunction. The tax changes are coming into effect in tandem with several relief schemes for lower-income families. The director worked in tandem with numerous psychologists to faithfully portray dissociative identity disorder. My wife and I illustrate and write our books in tandem.
[of two or more things] in single file. We marched to the door in tandem. They rode along in tandem.
in tandem1 one behind another. 2 alongside each other; together.
The Latin word tandem means ‘at length’: it was originally used in English as a term for a carriage drawn by two horses harnessed one in front of the other. Sense 1 preserves this late 18th-century sense, but since the mid 20th century the phrase has been commonly used to mean simply ‘functioning as a team’.