adjective
Origin: ME sixtithe < OE sixteogotha < sixtig: see sixty & -th
noun
adverb
See sixtieth in American Heritage Dictionary 4
Related Forms:
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sixtieth in a sentence
Also Mentioned In
homily
minute
second
Sexagesima
sexagesimal
Browse entries near sixtieth
sixteenth
sixteen
sixth form
sixth sense
sixth
Sixtine
sixty-fourth note
sixty-nine
sixty
six