ack

See also: ACK, ack., and ␆

English

Etymology 1

Arbitrary formation.

Noun

ack (plural acks)

  1. (military, now historical) The letter A as used in signalling and other types of communications.
    • 1929, Frederic Manning, The Middle Parts of Fortune, Vintage 2014, p. 173:
      They had to begin at the beginning: learning the Morse code, flag-wagging, a succession of acks, and practice on the buzzer.
  2. (data communications) acknowledgment signal
Alternative forms
  • (data communications): ACK
Antonyms
Derived terms

Interjection

ack

  1. (radio communications) acknowledged
Derived terms

Etymology 2

Imitative.

Interjection

ack

  1. Expressing distaste, alarm, or trepidation.

Anagrams

Swedish

Etymology

From Old Swedish akh, from Middle Low German ach (“an unhappy interjection”).

Pronunciation
  • Audio(file)

Interjection

ack

  1. alas, oh (exclamation of sorrow, etc.)

See also

Noun

ack c

  1. (electronics, slang) an electric accumulator; Contraction of ackumulator.

Declension
Declension of ack 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative ack acken ackar ackarna
Genitive acks ackens ackars ackarnas
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