Synonyms and Antonyms for listen-in

1. listen in (v.)

listen quietly, without contributing to the conversation

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2. listen in (v.)

listen without the speaker's knowledge

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3. in-person (adj.)

an appearance carried out personally in someone else's physical presence

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4. built-in (adj.)

existing as an essential constituent or characteristic

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5. fill-in (n.)

someone who takes the place of another (as when things get dangerous or difficult)

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7. listen (v.)

listen and pay attention

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8. listen (v.)

pay close attention to; give heed to

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9. in (adv.)

to or toward the inside of

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10. in (n.)

a unit of length equal to one twelfth of a foot

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