1.a lofty level or position or degree;
summer temperatures reached an all-time high
2.an air mass of higher than normal pressure;
the east coast benefits from a Bermuda high
3.a state of sustained elation;
I'm on a permanent high these days
4.a state of altered consciousness induced by alcohol or narcotics;
they took drugs to get a high on
5.a high place;
they stood on high and observed the coutryside
6.a public secondary school usually including grades 9 through 12;
he goes to the neighborhood highschool
7.a forward gear with a gear ratio giving high vehicle velocity for a given engine speed
8.greater than normal in degree or intensity or amount;
a high temperature
9.(literal meanings) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high');
a high mountain
10.standing above others in quality or position;
people in high places
11.used of sounds and voices; high in pitch or frequency
12.happy and excited and energetic
13.used of the smell of game beginning to taint
14.slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)
15.at a great altitude;
he climbed high on the ladder
16.in or to a high position, amount, or degree;
prices have gone up far too high
17.in a rich manner;
he lives high
18.far up toward the source;
he lives high up the river