We found 4 dictionaries that define the word i couldn't care less:

General (3 matching dictionaries)

1. I couldn't care less: Oxford Learner's Dictionaries
2. I couldn't care less, I couldn't care less: Collins English Dictionary
3. I couldn't care less: Cambridge Advanced Learner's Dictionary

Slang (1 matching dictionary)

4. I couldn't care less, I couldnt care less: Urban Dictionary

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