pardon

1 pardon /ˈpɑɚdn̩/ verb
pardons; pardoned; pardoning
1 pardon
/ˈpɑɚdn̩/
verb
pardons; pardoned; pardoning
Britannica Dictionary definition of PARDON
[+ object]
1 
: to officially say that someone who is guilty of a crime will be allowed to go free and will not be punished
2 
: to say that someone should not be blamed for thinking, doing, or saying something — usually used as (be) pardoned for
3 
: to officially say that a person, country, etc., does not have to pay (a debt)
4 
— used to be polite in asking questions or saying things that could be considered rude

pardon me

1 
— used as a polite way of starting to say something when you are interrupting someone, trying to get someone's attention, or disagreeing with someone
2 
also pardon — used as a polite apology for a minor fault or offense (such as laughing, coughing, or bumping into someone)
3 
also pardon — used as a polite way of asking someone to repeat something spoken

pardon my French

informal + humorous
— used to apologize for using offensive language

pardon the expression

— see expression
2 pardon /ˈpɑɚdn̩/ noun
plural pardons
2 pardon
/ˈpɑɚdn̩/
noun
plural pardons
Britannica Dictionary definition of PARDON
[count]
1 
: an act of officially saying that someone who was judged to be guilty of a crime will be allowed to go free and will not be punished
2 
formal : forgiveness for something
— see also beg your pardon at beg