Be very eager, anxious, or impatient, as in We can't wait for the baseball season to begin or I can't wait to see Dad—it's been a year. While the literal sense of being unable to wait (for lack of time) is much older, this figurative usage dates only from about 1930.
Words nearby can't wait
How to use can't wait in a sentence
So far, all the players seemed to be willing to wait their turn.The Golden State Preps for the ‘Red Wedding’ of Senate Races|David Freedlander|January 9, 2015|DAILY BEAST
And they might not have to wait that long to show their political heft.
And as he adjusted to this change in circumstances, he screamed at himself a second time: Wait!Powerful Congressman Writes About ‘Fleshy Breasts’|Asawin Suebsaeng|January 7, 2015|DAILY BEAST
Some refugees wait for days on the ships before setting sail.
“Wait…” Suddenly a huge, graceful black marlin leaps out of the water, sending a shower of water ten feet high.The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
As men fixed in the grip of nightmare, we were powerless—unable to do anything but wait.Gallipoli Diary, Volume I|Ian Hamilton
He didn't need to wait—as the birds did—until an angleworm stuck his head above ground.The Tale of Grandfather Mole|Arthur Scott Bailey
The pig family did not know when Squinty would be taken away from them, and all they could do was to wait.Squinty the Comical Pig|Richard Barnum
There'll be heaps uh fun in the Cypress Hills country when they get t' runnin' the whisky-jacks out.Raw Gold|Bertrand W. Sinclair
Janet might have said before leaving: "Tea had better not wait too long--Hilda has to be down at Clayhanger's at half-past six."Hilda Lessways|Arnold Bennett