| Triangular formation | 20 |
| Triangular game accessory | 25 |
| Triangular Greek letter | 23 |
| Triangular Greek letters | 24 |
| Triangular Halloween treat | 26 |
| Triangular home | 15 |
| Triangular house | 16 |
| Triangular house features | 25 |
| Triangular house part | 21 |
| Triangular house sections | 25 |
| Triangular houses | 17 |
| Triangular Indian pastry | 24 |
| Triangular insert | 17 |
| Triangular inserts | 18 |
| Triangular inset | 16 |
| Triangular insets | 17 |
| Triangular instrument | 21 |
| Triangular item | 15 |
| Triangular kerchief | 19 |
| Triangular leg bone | 19 |
| Triangular letter | 17 |
| Triangular letters | 18 |
| Triangular lyre | 15 |
| Triangular muscle, briefly | 26 |
| Triangular nut producers | 24 |
| Triangular part of a house | 26 |
| Triangular pastry | 17 |
| Triangular pastry that may be served with chutney | 49 |
| Triangular peninsula | 20 |
| Triangular pieces | 17 |
| Triangular pieces of browned bread | 34 |
| Triangular pieces of cloth | 26 |
| Triangular river formation | 26 |
| Triangular road sign | 20 |
| Triangular sail | 15 |
| Triangular sail on a clipper ship | 33 |
| Triangular sails | 16 |
| Triangular scarf | 16 |
| Triangular shape | 16 |
| Triangular shape in heraldry | 28 |
| Triangular shoe insert | 22 |
| Triangular sign | 15 |
| Triangular snack | 16 |
| Triangular soil deposits | 24 |
| Triangular stabilizer on an aircraft | 36 |
| Triangular street-corner sign | 29 |
| Triangular structure | 20 |
| Triangular toast topping | 24 |
| Triangular topsail | 18 |
| Triangular tract | 16 |
| Triangular traffic sign | 23 |
| Triangular treat | 16 |
| Triangular treats | 17 |
| Triangular wall | 15 |
| Triangular walls | 16 |
| Triangular wooden frame | 23 |
| Triangular, as a leaf | 21 |
| Triangular-bladed weapon | 24 |
| Triangular-bladed weapons | 25 |
| Triangular-bodied instrument | 28 |
| Triangular-headed Disney Channel character | 42 |
| Triangular-sailed ships | 23 |
| Triangular-shaped letter | 24 |
| Triangulum Australe neighbor | 28 |
| Triangulum neighbor | 19 |
| Triathlete | 10 |
| Triathlete adjective | 20 |
| Triathlete's asset | 22 |
| Triathlete's need | 21 |
| Triathlete's pre-race intake | 32 |
| Triathlete's problem | 24 |
| Triathlete's quality | 24 |
| Triathlete, at times | 20 |
| Triathletes | 11 |
| Triathletes, e.g. | 17 |
| Triathlon athletes | 18 |
| Triathlon attire | 16 |
| Triathlon competitor | 20 |
| Triathlon entrant | 17 |
| Triathlon gear | 14 |
| Triathlon leg | 13 |
| Triathlon need | 14 |
| Triathlon needs | 15 |
| Triathlon part | 14 |
| Triathlon part, informally | 26 |
| Triathlon segments | 18 |
| Triathlon start | 15 |
| Triathlon vehicle | 17 |
| Triathlon winner, with "the" | 38 |
| Triathlon, e.g. | 15 |
| Triatomic form of element #8 | 28 |
| Triatomic form of oxygen | 24 |
| Triatomic gas | 13 |
| Triatomic gas in a thinning layer ... and, symbolically, what appears in this puzzle's four longest answers | 111 |
| Triatomic greenhouse gas | 24 |
| Triatomic molecule | 18 |
| Triatomic oxygen | 16 |
| Triatomic oxygen molecule | 25 |
| Triatomic pollutant | 19 |
| Trib's home | 15 |