be on the same wavelength
Meaning
To think similarly and understand each other easily; to be in sync mentally.
Origin
From radio/physics: being tuned to the same wavelength lets signals come through clearly. Metaphorically, people “tuned” alike communicate smoothly.
Notes
Suggests easy mutual understanding and shared thinking. Common in casual conversation and teamwork contexts; friendly tone.
Examples
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From the first meeting, we were on the same wavelength about what the project needed.
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I don’t think the client and the designer are on the same wavelength yet.
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It’s easy to work with Hana because we’re usually on the same wavelength.
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We argued all day, but once we got on the same wavelength, the decision was simple.
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Even without saying much, the two of them seem to be on the same wavelength.
Grammar & Usage Notes
Usually used with forms of “be”: am/is/are/was/were on the same wavelength (as someone). Variants include “on the same wavelength with” (less common) and “get on the same wavelength.”
Synonyms
- be on the same page
- see eye to eye
- click
- be in sync
Antonyms
- be at cross purposes
- be on different wavelengths
- misunderstand each other