What context can I use each word in?
Learn when and how to use these words with these examples!
dual
Example
The phone has a dual camera system for taking high-quality photos. [dual: adjective]
Example
The company has a dual focus on both profit and social responsibility. [dual: noun]
Example
The dual citizenship allows me to travel and work in both countries. [dual: adjective]
duplex
Example
The duplex apartment has a spacious living room and two bedrooms. [duplex: noun]
Example
The printer has a duplex feature that saves paper by printing on both sides. [duplex: adjective]
Example
The duplex communication system ensures that both parties can speak and listen at the same time. [duplex: adjective]
Good things to know
Which word is more common?
Dual is more common and versatile than duplex in everyday language.
What’s the difference in the tone of formality between dual and duplex?
Both dual and duplex are neutral in formality and can be used in various contexts without sounding too formal or informal.
