quinquagenary
/kwɪŋˈkwadʒɪn(ə)ri/ /kwɪnˈkwadʒɪn(ə)ri/rare
noun
A fiftieth anniversary; the celebration of such an anniversary.
adjective
Of or relating to a fiftieth anniversary.
Origin
Late Middle English (in an earlier sense). From classical Latin quīnquāgēnārius.
- knockabout
- knock about (or around)
- knock-back
- knock-down
- knock-down-drag-out
- knocker
- knocker-up
- knock-for-knock agreement
- knocking copy
- knocking-off time
- knocking shop
- knock it off
- knock-kneed
- knock knees
- knock off
- knock on
- knock-on effect
- knock on wood
- knock (or blow) someone's socks off
- knock (or hit) someone for six
- knock (or take) the stuffing out of
- knockout
- knockout drops
- knockout mouse
- knock people's heads together