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

Category: Objects

2.Definition: a high place

"They stood on high and observed the countryside", "He doesn't like heights"

Related Noun(s):heights

Category: Places

3.Definition: a lofty level or position or degree

"Summer temperatures reached an all-time high"

Category: General

4.Definition: a public secondary school usually including grades 9 through 12

"He goes to the neighborhood highschool"

Related Noun(s):highschool

Category: General

5.Definition: a state of altered consciousness induced by alcohol or narcotics

"They took drugs to get a high on"

Category: General

6.Definition: a state of sustained elation

"I'm on a permanent high these days"

Category: General

7.Definition: an air mass of higher than normal pressure

"The east coast benefits from a Bermuda high"

Category: General