tandem

Two or more people or things working together, often at the same time.

• The two teams work in tandem.
• These machines operate in tandem to pack the boxes.
• Exercise works best in tandem with a healthy diet.

How to use it: in tandem with someone/something (The software works in tandem with the new equipment.)

Similar words: partnership, collaboration

Common phrases: in tandem, work in tandem, operate in tandem

A bicycle with two seats and two sets of pedals, controlled by the person in front.

• We rented a tandem.
• She sat behind me on the tandem.
• Have you ever ridden a tandem uphill?

Similar words: tandem bicycle

Common phrases: ride a tandem, tandem bike, tandem bicycle

A vehicle or activity in which two people work together to operate it or take part.

• I booked a tandem jump.
• Our tandem flight lasted twenty minutes.
• The instructor explained the equipment before our tandem skydive.

Common phrases: tandem flight, tandem jump, tandem skydive

Something with two parts or positions arranged one behind the other.

• This canoe is a tandem.
• We bought a tandem with room for two paddlers.
• The shop sells solo kayaks as well as tandems.

Common phrases: tandem canoe, tandem kayak, tandem axle

Having two parts or positions, with one directly behind the other.

• They bought a tandem bicycle.
• The aircraft has tandem seats for two pilots.
• Tandem axles help the trailer carry heavy loads.

Common phrases: tandem bicycle, tandem seats, tandem axles

Involving two people or things that work together to achieve something.

• Their tandem effort saved the project.
• The researchers developed a tandem approach to the problem.
• Tandem work by both teams produced better results.

Similar words: joint, collaborative, cooperative

Opposites: independent

Common phrases: tandem effort, tandem work, tandem approach

One person, animal, or thing is directly behind another.

• The two horses were harnessed tandem.
• The animals pulled the carriage tandem.
• The seats were arranged tandem inside the narrow vehicle.

Similar words: in single file

Opposites: abreast

Common phrases: harnessed tandem, arranged tandem