Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alpha

2 senses of alpha

Sense 1
alpha -- (the 1st letter of the Greek alphabet)
       => letter, letter of the alphabet, alphabetic character -- (the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters")

Sense 2
alpha -- (the beginning of a series or sequence; "the Alpha and Omega, the first and the last, the beginning and the end"--Revelations)
       => start -- (the beginning of anything; "it was off to a good start")

Antonyms of adj alpha

2 senses of alpha

Sense 1
alpha -- (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")

INDIRECT (VIA important) -> unimportant -- (not important; "a relatively unimportant feature of the system"; "the question seems unimportant")

Sense 2
alpha -- (early testing stage of a software or hardware product; "alpha version")

INDIRECT (VIA exploratory) -> nonexploratory, nonexplorative, unexploratory, unexplorative -- (not exploratory)

Similarity of adj alpha

2 senses of alpha

Sense 1
alpha -- (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")
       => important (vs. unimportant), of import -- (of great significance or value; "important people"; "the important questions of the day")

Sense 2
alpha -- (early testing stage of a software or hardware product; "alpha version")
       => exploratory (vs. nonexploratory), explorative -- (serving in or intended for exploration or discovery; "an exploratory operation"; "exploratory reconnaissance"; "digging an exploratory well in the Gulf of Mexico"; "exploratory talks between diplomats")