| Highest mountain ranged in Antarctica | 37 |
| Highest mountain in the Rhaetian Alps | 37 |
| Highest mountain in the Americas | 32 |
| Highest mountain in Crete | 25 |
| Highest mountain in Australia | 29 |
| Highest mountain | 16 |
| Highest minor league level | 26 |
| Highest minor league | 20 |
| Highest mil. title | 18 |
| Highest mark | 12 |
| Highest man or lowest woman | 27 |
| Highest male voice | 18 |
| Highest male singing voice | 26 |
| Highest level in a profession | 29 |
| Highest level attainable | 24 |
| Highest level | 13 |
| Highest large lake in the world | 31 |
| Highest land on Earth | 21 |
| Highest kind of knowledge | 25 |
| Highest intellect | 17 |
| Highest in salt, perhaps | 24 |
| Highest in rank, in a way | 25 |
| Highest in rank, among animals | 30 |
| Highest in rank | 15 |
| Highest in order | 16 |
| Highest in a suit | 17 |
| Highest honor | 13 |
| Highest Guidonian note | 22 |
| Highest grossing actress of the aughts | 38 |
| Highest grade | 13 |
| Highest fliers | 14 |
| Highest European volcano | 24 |
| Highest digits | 14 |
| Highest digit | 13 |
| Highest degrees | 15 |
| Highest degree? | 15 |
| Highest degree | 14 |
| Highest deg. | 12 |
| Highest Cub Scout rank | 22 |
| Highest country in the world | 28 |
| Highest classes | 15 |
| Highest class | 13 |
| Highest cards in pinochle | 25 |
| Highest cards | 13 |
| Highest card in a suit | 22 |
| Highest card in a royal flush | 29 |
| Highest card | 12 |
| Highest capital of the Americas | 31 |
| Highest capital in the world | 28 |
| Highest British military rank | 29 |
| Highest bridge site in US | 25 |
| Highest Boy Scout | 17 |
| Highest bond rating | 19 |
| Highest black key on a standard piano | 37 |
| Highest authorities | 19 |
| Highest Apgar score | 19 |
| Highest angel | 13 |
| Highest and lowest black key on a piano | 39 |
| Highest and hottest mountain in Italy south of the Alps | 55 |
| Highest African mountain | 24 |
| Highest adult male voice | 24 |
| Highest adult male singing voice | 32 |
| Highest Adirondack | 18 |
| Highest active volcano of Europe | 32 |
| Highest active volcano in Eur. | 30 |
| Highest academic degrees offered by Harvard Law Sch. | 52 |
| Highest (degree) | 16 |
| Highest | 7 |
| Higher_____ (orbital point) | 27 |
| Higher: Ger. | 12 |
| Higher: Abbr. | 13 |
| Higher-ups? | 11 |
| Higher-ups | 10 |
| Higher-up? | 10 |
| Higher-up, informally | 21 |
| Higher-up, at work | 18 |
| Higher-up money handler? | 24 |
| Higher-up individual? | 21 |
| Higher-up at work | 17 |
| Higher-up | 9 |
| Higher-ranking than | 19 |
| Higher-ranking | 14 |
| Higher-ranked | 13 |
| Higher-priced | 13 |
| Higher-pitched English horn | 27 |
| Higher-degree requirement, usually | 34 |
| Higher, in Bonn | 15 |
| Higher ___ kite | 15 |
| Higher up? | 10 |
| Higher up | 9 |
| Higher than zero, on an altimeter | 33 |
| Higher than normal | 18 |
| Higher than it is wide, as a book | 33 |
| Higher than contralto | 21 |
| Higher than any other | 21 |
| Higher than | 11 |
| Higher septet of black squares in this grid, typographically | 60 |
| Higher ranks by reason of longer service | 40 |
| Higher ranking than | 19 |
| Higher powers | 13 |