Definition of "High" :

noun: a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed

noun: a lofty level or position or degree

"Summer temperatures reached an all-time high."

noun: a public secondary school usually including grades 9 through 12

"He goes to the neighborhood highschool."

noun: a high place

"They stood on high and observed the countryside."

noun: a state of altered consciousness induced by alcohol or narcotics

"They took drugs to get a high on."

noun: a state of sustained elation

"I'm on a permanent high these days."

noun: an air mass of higher than normal pressure

"The east coast benefits from a Bermuda high."

adjective: happy and excited and energetic

adjective: slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)

adjective: (used of the smell of meat) smelling spoiled or tainted

adjective: (literal meaning) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like knee-high')

"A high mountain."

adjective: greater than normal in degree or intensity or amount

"A high temperature."

adjective: used of sounds and voices; high in pitch or frequency

adjective: standing above others in quality or position

"People in high places."

adverb: at a great altitude

"He climbed high on the ladder."

adverb: far up toward the source

"He lives high up the river."

adverb: in or to a high position, amount, or degree

"Prices have gone up far too high."

adverb: in a rich manner

"He lives high."