higher

1. Very elevated; extending or being far above a base; tall; lofty.

   The balloon rose high in the sky.   The wall was high.   a high mountain

2. Relatively elevated; rising or raised above the average or normal level from which elevation is measured.
3. Having a specified elevation or height; tall.

   three feet high   three Mount Everests high

4. Elevated in status, esteem, prestige; exalted in rank, station, or character.

   The oldest of the elves' royal family still conversed in High Elvish.

5. Of great importance and consequence: grave (if negative) or solemn (if positive).

   high crimes, the high festival of the sun

6. Consummate; advanced (e.g. in development) to the utmost extent or culmination, or possessing a quality in its supreme degree, at its zenith.

   high (i.e. intense) heat; high (i.e. full or quite) noon; high (i.e. rich or spicy) seasoning; high (i.e. complete) pleasure; high (i.e. deep or vivid) colour; high (i.e. extensive, thorough) scholarship; high tide; high [tourism] season; the High Middle Ages

7. (in several set phrases) Remote in distance or time.

   high latitude, high antiquity

8. (in several set phrases) Very traditionalist and conservative, especially in favoring older ways of doing things; see e.g. high church, High Tory.
9. Elevated in mood; marked by great merriment, excitement, etc.

   in high spirits

10. (of a lifestyle) Luxurious; rich.

    high living, the high life

11. Lofty, often to the point of arrogant, haughty, boastful, proud.

    a high tone

12. (with "on" or "about") Keen, enthused.
13. (of a body of water) With tall waves.
14. Large, great (in amount or quantity, value, force, energy, etc).

    My bank charges me a high interest rate.   I was running a high temperature and had high cholesterol.   high voltage   high prices   high winds   a high number

15. (acoustics) Acute or shrill in pitch, due to being of greater frequency, i.e. produced by more rapid vibrations (wave oscillations).

    The note was too high for her to sing.

16. Made with some part of the tongue positioned high in the mouth, relatively close to the palate.
17. Greater in value than other cards, denominations, suits, etc.
18. (of meat, especially venison) Strong-scented; slightly tainted/spoiled; beginning to decompose.

    Epicures do not cook game before it is high.

19. Intoxicated; under the influence of a mood-altering drug, formerly usually alcohol, but now (from the mid-20th century) usually not alcohol but rather marijuana, cocaine, heroin, etc.
20. (of a sailing ship) Near, in its direction of travel, to the (direction of the) wind.

1. In or to an elevated position.

   How high above land did you fly?

2. In or at a great value.

   Costs have grown higher this year again.

3. At a pitch of great frequency.

   I certainly can't sing that high.

noun

A national school-leaving examination and university entrance qualification.

1. To make higher; to raise or increase in amount or quantity.
2. To ascend.