1 : a feeling of admiring someone or something that is good, valuable, important, etc.
He has earned/gained/won their respect.
The soldier saluted as a sign of respect.
Despite our differences, I have enormous respect for him.
She has a lot of respect for his opinion. [=she values his opinion very highly]
I have a great respect for his accomplishments.
2 : a feeling or understanding that someone or something is important, serious, etc., and should be treated in an appropriate way
She showed no respect [=consideration] for my feelings.
I expect to be treated with respect.
He has no respect for the rules. [=he does not obey/follow the rules; he disregards the rules]
He has a healthy respect for the dangers of the work he does. [=he is aware of the dangers and does the work in a careful way]
3 [count] : a particular way of thinking about or looking at something
The show was perfect in all respects. [=in every way]
Your theory makes sense in one respect.
In many respects [=in many ways], her life has been a hard one.
4 respects [plural] : a polite greeting or expression of kind feelings
Please give/send my respects to your parents. [=please tell your parents I said hello]
I paid my respects [=offered my condolences] to the family at the funeral.
We went to his funeral to pay our last/final respects.
with (all) (due) respect
— used as a polite or formal way of saying that you disagree with someone
I have to say, with all respect, that I don't think your solution will work.
With all due respect, I must disagree with your conclusions.
with respect to formal also in respect to or chiefly British in respect of
: about or concerning (something or someone) : in relation to (something or someone)
There is a question with respect to your earlier comments.
There have been problems with respect to transferring the data from the old computer to the new one.