I couldn't care less.

English as a Second Language English Teacher Explanations (ESL Tests)
1

Business Idiom in English, Intermediate level

ESL/EFL Test #133 [color=blue]“Ways of showing anger”, question 10

Right. I’m leaving. You can do whatever you like. I couldn’t care ….

(a) more
(b) lesser
(c) least
(d) less

Business Idiom in English, Intermediate level

ESL/EFL Test #133 [color=blue]“Ways of showing anger”, answer 10

Right. I’m leaving. You can do whatever you like. I couldn’t care less.

Correct answer: (d) less

Your answer was: [color=red]incorrect
Right. I’m leaving. You can do whatever you like. I couldn’t care more.
[size=200]_________________________[/size]

what does it mean: i couldn’t care less, in this context.
I thought it should be: more, bacause the speaker has had most of bad to put up with/stand it.
thanks

2

The speaker doesn’t care at all. The other person can do whatever they want.[YSaerTTEW443543]

TOEIC listening, question-response: What should I have done differently?[YSaerTTEW443543]

3

[color=blue]“I couldn’t care less.” means ‘I don’t care at all, not even a tiny bit.’ It’s impossible for me to care less, because I already care zero about it.

4

Strange reasoning! It simply means I couldn’t be less interested even if I tried to care.

Edit:

Now, I see you have changed your comment - even stranger.