centennial Synonyms

centenary hundred-year-old recurrent time period age-old cwt diamond jubilee quincentenary quincentennial sesquicentennial tercentennial long hundred 100th yearly regular repeated seasonal secular semimonthly septennial tercentenary tertian tricennial triennial wedding anniversary natal day name day one-hundredth semestral centuries-old on certain occasions hundredth anniversary age centenarian centennially centred centesimal centigrade centigram centistere centumvirate centuple centare cental celsius ancient anniversary annual bicentenary bicentennial