WordReference Random House Unabridged Dictionary of American English © 2025
thir•ty-third
(thûr′tē thûrd′),USA pronunciation adj.
n.
- next after the thirty-second;
being the ordinal number for 33. - being one of 33 equal parts.
n.
- a thirty-third part, esp. of one (1⁄33).
- the thirty-third member of a series.
'thirty-third' also found in these entries (note: many are not synonyms or translations):