| Third-col. heading | 18 |
| Third-column stat | 17 |
| Third-day creation | 18 |
| Third-day creations | 19 |
| Third-degree, in math | 21 |
| Third-generation Genesis figure | 31 |
| Third-generation Genesis name | 29 |
| Third-generation Japanese-American | 34 |
| Third-generation Japanese-Americans | 35 |
| Third-generation man, in the Bible | 34 |
| Third-generation nickname | 25 |
| Third-generation Oscar winner | 29 |
| Third-generation release of 2012 | 32 |
| Third-generation son | 20 |
| Third-generation tablet of 2012 | 31 |
| Third-largest asteroid | 22 |
| Third-largest city in Italia | 28 |
| Third-largest city in Japan | 27 |
| Third-largest city in Poland | 28 |
| Third-largest city in Puerto Rico | 33 |
| Third-largest city in the Soviet Union | 38 |
| Third-largest city of France | 28 |
| Third-largest E African lake | 28 |
| Third-largest Hawaiian island | 29 |
| Third-largest island | 20 |
| Third-largest island in the Caribbean | 37 |
| Third-largest island of Italy | 29 |
| Third-largest Italian island | 28 |
| Third-largest moon of Saturn | 28 |
| Third-largest nation | 20 |
| Third-largest ocean | 19 |
| Third-largest of the Balearic Islands | 37 |
| Third-largest Turkish city | 26 |
| Third-largest US city | 21 |
| Third-leading U.S. crop behind corn and wheat | 45 |
| Third-least populous U.S. state | 31 |
| Third-lightest halogen | 22 |
| Third-longest river in Africa | 29 |
| Third-longest river of California | 33 |
| Third-millennium year | 21 |
| Third-most common gas in the atmosphere | 39 |
| Third-oldest U.S. university | 28 |
| Third-party abbr. | 17 |
| Third-party account | 19 |
| Third-party account for a mortgager | 35 |
| Third-party accounts | 20 |
| Third-party candidate in 1992 | 29 |
| Third-party candidate of '92 | 32 |
| Third-party candidate of 2000 | 29 |
| Third-party candidate, maybe | 28 |
| Third-party candidate, more often than not | 42 |
| Third-party candidate, perhaps | 30 |
| Third-party collateral | 22 |
| Third-party holding | 19 |
| Third-party query | 17 |
| Third-party vote, at times | 26 |
| Third-person contraction | 24 |
| Third-person ending of old | 26 |
| Third-person verb from Shakespeare | 34 |
| Third-place award | 17 |
| Third-place candidate in the 1920 presidential election who ran his campaign from jail | 86 |
| Third-place finish | 18 |
| Third-place finisher in 2004 and 2008 | 37 |
| Third-place finisher, e.g. | 26 |
| Third-place material | 20 |
| Third-place medal | 17 |
| Third-place presidential candidate of 1920 who ran his campaign from jail | 73 |
| Third-place prize | 17 |
| Third-qtr. period | 17 |
| Third-quarter antecedent | 24 |
| Third-quarter event | 19 |
| Third-quarter mo. | 17 |
| Third-quarter phenomenon | 24 |
| Third-quarter tide | 18 |
| Third-rail contact | 18 |
| Third-rank univ. student | 24 |
| Third-rate | 10 |
| Third-rate grade | 16 |
| Third-rate hotel | 16 |
| Third-rate mark | 15 |
| Third-rate newspaper, slangily | 30 |
| Third-rate stuff | 16 |
| Third-rate writing | 18 |
| Third-smallest of nine | 22 |
| Third-string player | 19 |
| Third-stringer | 14 |
| Third-stringer, say | 19 |
| Third-stringers | 15 |
| Third-Sunday-in-June honoree | 28 |
| Third-tallest pieces, at times | 30 |
| Third-to-last Greek letter | 26 |
| Third-winningest active baseball manager | 40 |
| Third-world force | 17 |
| Third-world nation | 18 |
| Third-world need | 16 |
| Third-year deer: Brit. | 22 |
| Third-year hurdles, for some | 28 |
| Third-year judo award | 21 |
| Third-year student | 18 |
| Third-year student gone astray? | 31 |