For the winner to retain, as in You can't take the marbles back; we were playing for keeps. [Mid-1800s]
For an indefinitely long time, forever, as in She is leaving town for keeps.
In earnest, seriously, as in We're separating for keeps. [Late 1800s]
Words nearby for keeps
How to use for keeps in a sentence
Sands was involved in a scandalous-for-the-time romance with the carpenter and there were rumors she was pregnant with his child.New York’s Most Tragic Ghost Loves Minimalist Swedish Fashion|Nina Strochlic|January 8, 2015|DAILY BEAST
Like his old man, he keeps it reined in, but when talking about fishing, a true regret seeps out.The Story Behind Lee Marvin’s Liberty Valance Smile|Robert Ward|January 3, 2015|DAILY BEAST
I notice he moves at a slightly slower pace than everyone else, and keeps his gestures compact.His First Day Out Of Jail After 40 Years: Adjusting To Life Outside|Justin Rohrlich|January 3, 2015|DAILY BEAST
The possibility that the same outcome could happen another way -- namely a guy asks me out -- keeps me from taking action.Random Hook-Ups or Dry Spells: Why Millennials Flunk College Dating|Ellie Schaack|January 1, 2015|DAILY BEAST
There was no mistaking this for the gaudiness and gilt of made-for-TV awards shows.
But ef Jos keeps on, airnin' ez much ez he hez so fur, he's goin' ter pay the Injun part on 't, when he cums.Ramona|Helen Hunt Jackson
A groom is a chap, that a gentleman keeps to clean his 'osses, and be blown up, when things go wrong.
A coquette is said to be an imperfect incarnation of Cupid, as she keeps her beau, and not her arrows, in a quiver.
Twenty dollars a month is the salary, and school keeps for six months, so I shall earn the large sum of $120 a year.The Soldier of the Valley|Nelson Lloyd
Augustus Theodore swings on a chair before the fire, which he keeps at work for his own especial consolation.