What is the meaning of High?

Physically elevated, extending above a base or average level:

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

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

   Relatively elevated; rising or raised above the average or normal level from which elevation is measured.

   Above the batter's shoulders.

   Pertaining to (or, especially of a language: spoken in) in an area which is at a greater elevation, for example more mountainous, than other regions.

   Having a specified elevation or height; tall.

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

   Most exalted; foremost.

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

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

   Advanced in complexity (and hence potentially abstract and/or difficult to comprehend).

   Extreme, excessive; now specifically very traditionalist and conservative.

   Elevated in mood; marked by great merriment, excitement, etc.

   Luxurious; rich.

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

   Keen, enthused.

   With tall waves.

   Remote (to the north or south) from the equator; situated at (or constituting) a latitude which is expressed by a large number.

   Large, great (in amount or quantity, value, force, energy, etc).

   Having a large or comparatively larger concentration of (a substance, which is often but not always linked by "in" when predicative).

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

   Made with some part of the tongue positioned high in the mouth, relatively close to the palate.

   Greater in value than other cards, denominations, suits, etc.

   1. Having the highest rank in a straight, flush or straight flush.

      Having the highest rank in a straight, flush or straight flush.

      Winning; able to take a trick, win a round, etc.

      Strong-scented; slightly tainted/spoiled; beginning to decompose.

      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.

      Near, in its direction of travel, to the (direction of the) wind.

      Positioned up the field, towards the opposing team's goal.

      In or to an elevated position.

      In or at a great value.

      At a pitch of great frequency.

      A high point or position, literally (as, an elevated place; a superior region; a height; the sky; heaven).or figuratively (as, a point of success or achievement; a time when things are at their best, greatest, most numerous, maximum, etc).

      The maximum atmospheric temperature recorded at a particular location, especially during one 24-hour period.

      A period of euphoria, from excitement or from an intake of drugs.

      A drug that gives such a high.

      A large area of elevated atmospheric pressure; an anticyclone.

      The highest card dealt or drawn.

      To rise.

      Alternative form of hie (“to hasten”)

      high (intoxicated)

      excited

      to be high (intoxicated)

      to be excited

      to use drugs

      high (intoxicated with a drug other than alcohol)

      high (intoxicated)

      Source: wiktionary.org