The beginning (5 letters)

{ Answer }

ALPHA

{ Related Clues }

A as in Archimedes
Beginning
Dominant
___ particle
Primary
___, beta, gamma ...
Beta preceder
Beta predecessor
___, Bravo, Charlie
Capital of Attica?
First letter
First of a series
Greek leader?
Greek letter
Greek vowel
Head dog
Kind of male
Kind of star
Leader of the pack
Letter opener?
Main male
Numeric lead-in
Omega's antithesis
Omega's opposite
___ Phi Omega
Top dog
Brightest star in a constellation
Kind of atomic particle
Highest-ranking, in some hierarchies
Part of many stars' names

{ Tags }

alpha, beginning, beta, brightest, constellation, dog, dominant, first, greek, kind, leader, letter, male, omegas, opener, opposite, pack, particle, series, star, top

{ Notes }

The answer ALPHA is common and appears about once every 250 puzzles.

{ Definition }

ALPHA as a noun:

1. the 1st letter of the Greek alphabet

2. the beginning of a series or sequence; "the Alpha and Omega, the first and the last, the beginning and the end"--Revelations

ALPHA as an 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"

2. early testing stage of a software or hardware product; "alpha version"