Meaning of “put two and two together” in the English Dictionary

british dictionary

"put two and two together" in British English

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put two and two together

informal

to guess the truth about a situation from what you have seen or heard:

"How did you know they were having an affair?" "I'd seen them out together a couple of times, so I just put two and two together."

(Definition of “put two and two together” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"put two and two together" in American English

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put two and two together

to understand something by using the information you have:

I didn't tell her George had left, but she noticed his car was gone and put two and two together.

(Definition of “put two and two together” from the Cambridge Academic Content Dictionary © Cambridge University Press)