| Aaron |
according to the Old Testament, the older brother of Moses and the first high priest of the Hebrew nation. |
| able |
having a high degree of ability, talent, or skill. [1/3 definitions] |
| absinthe |
a bitter green liqueur with high alcohol content, made from wormwood and herbs. [1/2 definitions] |
| accelerator |
in nuclear physics, a device that creates high-energy particles by acceleration through electrostatic or electromagnetic means, used for research. [1/3 definitions] |
| acidic |
containing a high proportion of acid-forming silica, as rocks or soil. [1/3 definitions] |
| acidosis |
an abnormally high acidity of body tissues and fluids. |
| acid rain |
rain that has high acidity because of being mixed with pollutants such as vehicle exhausts and residues from burning of fossil fuels for energy or from chemical manufacturing. |
| acrophobia |
an overwhelming fear of high places. |
| acute accent |
a diacritical mark (´), placed over a vowel to indicate length or high pitch, or to indicate primary stress of a syllable. (Cf. grave accent.) |
| admire |
to hold in high esteem; respect. [1/2 definitions] |
| admirer |
a person who holds another person or a thing in high esteem. [1/2 definitions] |
| aerie |
a nest built high on a cliff or mountain, esp. by an eagle or other bird of prey. [1/2 definitions] |
| Afro |
(often l.c.) a hair style, originating among African Americans in the 1960s, in which the hair is worn in a high, rounded style. [1/2 definitions] |
| alkalosis |
a pathological condition of the body fluids, characterized by a dangerously high alkali content. |
| aloft |
in or toward a high location. |
| Alpine |
(l.c.) of, like, living in, or characteristic of high mountains or mountain regions above the timberline. [1/4 definitions] |
| Alps |
a high mountain range extending from southern France through Switzerland, Italy, Germany, and Austria, and into the Balkan region and Albania. |
| altitude |
(usu. pl.) a high region or area. [1/4 definitions] |
| ambassador |
a high-ranking official sent by one nation to another either to carry out a specific diplomatic mission or to serve in residence there. [1/3 definitions] |
| animal spirits |
the quality of one who is in high spirits and good health; vitality. |
| anoint |
to confer a particular high status on by applying oil, as in a religious ritual. [1/2 definitions] |