in tandem

When things or people are in tandem, they're together — either physically side by side, happening at the same time, or working as a cohesive team. Rake the leaves in tandem with your sister, it'll get done faster!

The original meaning of the word tandem is "a carriage pulled by horses harnessed one in front of the other." By the 1880s, the meaning had shifted to "two-seated bicycle." Things are in tandem when they basically work like a bicycle built for two. Walk alongside your best friend, and you're walking in tandem. Work on an assembly line that moves products along efficiently, and you're working in tandem with your co-workers.

Definitions of in tandem
  1. adverb
    one behind the other
    “riding horses down the path in tandem
    synonyms: tandem
  2. adverb
    with cooperation and interchange
    synonyms: together, unitedly
Word Family

Test prep from the experts

Boost your test score with programs developed by’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.


  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week


  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week