best-kept
/ˌbɛs(t)ˈkɛpt/adjective
1That is maintained in the best order or condition; most carefully cared for or looked after.
- In the United Kingdom now frequently in the names of competitions..
2Of a secret: that is known to very few people. Now used especially with reference to something good or desirable that is not generally known about.
Origin
Late 16th century; earliest use found in Vicary's Profitable Treatise Anatomy. From best + the past participle of keep, after well-kept.
- primordial soup
- primordial utricle
- primordium
- primores
- Primorsky
- primosome
- primost
- primo tenore
- primo tenore assoluto
- primo uomo
- primp
- primprint
- primrose
- primrosed
- Primrose Day
- Primrose League
- Primrose Leaguer
- primrose path
- primrose peerless
- primrose soap
- primrose-time
- primrose tree
- primrose way
- primrose willow
- primrosey