Learner's definition of SORRY
[more sorry; most sorry]
1 : feeling sorrow or regret
I'm sorry if I offended you.
She was sorry to hear about their divorce.
I'm sorry for your loss.
I'm sorry for saying that.
I'm sorry that I wasted your time.
He felt sorry for her. [=he felt sympathy for her because she was in a bad situation]
Stop feeling sorry for yourself. [=feeling pity for yourself]
It's probably not necessary to check the figures again, but (it's) better (to be) safe than sorry. [=it is better to be careful now so that problems do not occur later on]
2 a — used to express polite regret b — used to introduce disappointing or bad news in a polite way
c — used as an apology for a minor fault or offense (such as bumping into someone) d — used as a polite way of asking someone to repeat something spoken e — used to introduce a correction to what you have said or written
I'm sorry, but I couldn't find any information for you.
Sorry, but it's too late to change our plans.
always used before a noun
3 a : very bad or poor b : causing feelings of disappointment or pity