The word 'droid' was popularized by the Star Wars franchise and is often associated with science fiction. She dressed as her favorite droid for the sci-fi convention.
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Colloquial Use
'Droid' is a casual term often used in informal conversations rather than in formal writing or discussions. Did you see that new movie? The droids in it were so cool!
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Human Traits
Droids in movies or books often have human-like personalities or abilities, making them more relatable. The droid in the story could think and feel almost like a human.