: to forget or not care about something
She felt she had been treated wrongly, and she wasn't willing to let it go.
You're late. I'll let it go this time, but it had better not happen again.
: to sell something (for a specified amount)
The car is probably worth a lot more, but she agreed to let it go for five thousand dollars.
Love words? Need even more definitions?Merriam-Webster unabridged