it is what it is
It is what it is (phrase) means Said to accept an unwelcome situation that cannot be changed, signalling that there is no point complaining about it further. Example: “We lost the contract. It is what it is, so let's chase the next one.”
How to use it is what it is
Learner’s notesIn plain EnglishThere's no changing it, so no point moaning about it.
Informal spoken English; very common, often criticised as a cliche.
Keep it for things genuinely outside your control; used about your own choices it sounds evasive.
Fill the gap
Can you complete this real example?
We lost the contract. _____, so let's chase the next one.