(noun, adjective)


1. first in order of importance

- the alpha male in the group of chimpanzees

- the alpha star in a constellation is the brightest or main star

Similar word(s): important

2. early testing stage of a software or hardware product

- alpha version

Similar word(s): explorative, exploratory

3. (person, object or action) exhibiting characteristics of the alpha male/female archetype.

Sentences with alpha as an adjective:

- I am the alpha male.

- When space travel becomes feasible, I plan to visit Alpha Centauri.


1. the 1st letter of the Greek alphabet

Definition categories: communication, letter

2. the beginning of a series or sequence

- the Alpha and Omega, the first and the last, the beginning and the end

Definition categories: event, start

3. (sciences) The name of the symbols Α and α used in science and mathematics, often interchangeable with the symbols when used as a prefix.

4. an alpha male.

Sentences with alpha as a noun:

- I will attempt to make an alpha particle ("α-particle") with the large hadron collider.