| Fourth-year collegian | 21 |
| Fourth-year college students: Abbr. | 35 |
| Fourth-to-last Greek letter | 27 |
| Fourth-tallest NBA player, ever | 31 |
| Fourth-rate marks | 17 |
| Fourth-rate mark | 16 |
| Fourth-rate grade | 17 |
| Fourth-rate | 11 |
| Fourth-quarter strategies | 25 |
| Fourth-qtr. start | 17 |
| Fourth-qtr. month | 17 |
| Fourth-place finisher | 21 |
| Fourth-of-July sight | 20 |
| Fourth-most populous state, just after N.Y. | 43 |
| Fourth-month test | 17 |
| Fourth-longest river of Europe | 30 |
| Fourth-largest U.S. state in area | 33 |
| Fourth-largest state in population: Abbr. | 41 |
| Fourth-largest state | 20 |
| Fourth-largest of the Great Lakes | 33 |
| Fourth-largest moon of Uranus | 29 |
| Fourth-largest lake completely within U.S. borders | 50 |
| Fourth-largest inland sea | 25 |
| Fourth-largest inland body of water | 35 |
| Fourth-largest Great Lake | 25 |
| Fourth-largest country in size (Abbr.) | 38 |
| Fourth-largest city in the Americas | 35 |
| Fourth-largest city in Deutschland | 34 |
| Fourth-largest asteroid | 23 |
| Fourth-grade toon | 17 |
| Fourth-grade teacher Edna on "The Simpsons" | 53 |
| Fourth-generation relative | 26 |
| Fourth-from-the-sun planet | 26 |
| Fourth-down tactics | 19 |
| Fourth-down specialist | 22 |
| Fourth-down plays, often | 24 |
| Fourth-down plays | 17 |
| Fourth-down player, often | 25 |
| Fourth-down play, often | 23 |
| Fourth-down play | 16 |
| Fourth-down options | 19 |
| Fourth-down option | 18 |
| Fourth-down move | 16 |
| Fourth-down maneuvers | 21 |
| Fourth-down kick | 16 |
| Fourth-down decision, sometimes | 31 |
| Fourth-down decision, often | 27 |
| Fourth-down decision | 20 |
| Fourth-down choice | 18 |
| Fourth-down call | 16 |
| Fourth-day creations | 20 |
| Fourth-column selection in Battleship | 37 |
| Fourth-century theologian condemned as a heretic | 48 |
| Fourth-century saint who was bishop of Milan | 44 |
| Fourth-century sacker | 21 |
| Fourth-century pope | 19 |
| Fourth-century Germanic invaders | 32 |
| Fourth-century date | 19 |
| Fourth-century church father | 28 |
| Fourth-century Christian heretic | 32 |
| Fourth-cen. monastic | 20 |
| Fourth-cen. Greek prelate called 'the Great' | 52 |
| Fourth-brightest star of a constellation | 40 |
| Fourth-brightest star in the sky | 32 |
| Fourth-anniversary gift | 23 |
| Fourth, fifth, etc. | 19 |
| Fourth ____ (the press) | 23 |
| Fourth ___ (journalism) | 23 |
| Fourth ___ | 10 |
| Fourth yr. students | 19 |
| Fourth word of the Lord's Prayer | 36 |
| Fourth word of the Bible | 24 |
| Fourth word of Genesis | 22 |
| Fourth word of a Doors classic | 30 |
| Fourth word of "The Battle Hymn of the Republic" | 58 |
| Fourth word in the opening sequence to all six "Star Wars" films | 74 |
| Fourth word in the ladder | 25 |
| Fourth word in the "Star Wars" opening crawl | 54 |
| Fourth word in the "Star Wars" intro | 46 |
| Fourth word from the moon | 25 |
| Fourth word | 11 |
| Fourth winning number? | 22 |
| Fourth wife of the Little Tramp | 31 |
| Fourth wife of Charlie Chaplin | 30 |
| Fourth up, Chris ____ | 21 |
| Fourth triangular number | 24 |
| Fourth tones | 12 |
| Fourth Thursday in November | 27 |
| Fourth Sunday in Lent | 21 |
| Fourth steps in some sequences | 30 |
| Fourth steps | 12 |
| Fourth step | 11 |
| Fourth state to ratify the Constitution: Jan. 2, 1788 | 53 |
| Fourth spin: jackpot! | 21 |
| Fourth Spanish letter | 21 |
| Fourth son of Jacob and Leah | 28 |
| Fourth son of Jacob | 19 |
| Fourth Sister | 13 |
| Fourth sign of the zodiac's symbol | 38 |
| Fourth sequel | 13 |