pur sang
/ˌpʊə ˈsɒŋ/ /ˌpʊə ˈsɑːŋ/(also pure sang)
adjective
Of unmixed origin or descent, pure-blooded; genuine; unadulterated.
noun
Unmixed origin or descent, pure blood; a pure-blooded or genuine person or thing.
adverb
In all respects, through and through; genuinely, strictly; without adulteration.
Origin
Mid 19th century; earliest use found in The Times. From French pur sang (noun) unmixed origin or descent, pure-blooded or genuine person, thoroughbred horse, (adjective) pure-blooded from pur + sang blood.
- keep one's eye on (or take one's eye off) the ball
- keep one's eyes open (or peeled or skinned)
- keep one's feet
- keep one's fingers crossed
- keep one's hands clean
- keep one's head
- keep one's head above water
- keep one's head down
- keep one's mouth shut
- keep one's nose clean
- keep one's nose out of
- keep one's nose to the grindstone
- keep one's own counsel
- keep one's powder dry
- keep one's side of the bargain
- keep one's word
- keep (or archaic bear) someone company
- keep (or eat) kosher
- keep (or hold) one's end up
- keep (or leave) one's options open
- keep (or lose) one's cool
- keep (or lose) one's temper
- keep (or lose) track of
- keep (or make) a House
- keep (or sleep in) a whole skin