Meaning of the word "spy on" in English

What does "spy on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

spy on

US /spaɪ ɑːn/

UK /spaɪ ɑːn/

to secretly watch someone or something, especially to obtain information

Example:

•

The government was accused of trying to spy on its own citizens.

•

She felt like someone was spying on her.

Synonym:

monitor observe watch surveil eavesdrop

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Related Word:

spy