- Relating to, or associated with, the commemoration of
an event that happened a hundred years before; as, a centennial ode. - Happening once in a hundred years; as, centennial
jubilee; a centennial celebration. - Lasting or aged a hundred years.
2 . Centennial
[ n.]
- The celebration of the hundredth anniversary of any
event; a centenary.
Meaning of 'centennial' (Princeton's WordNet)
1 . centennial
[ a]
Meaning (1): - of or relating to or completing a period of 100 years