a-

/ə/Canada, US, UK/eɪ/Australia, New Zealand/æɪ/Philippines/a/

prefix

Forming verbs with the sense away, up, on, out.

“asunder”

First used First attested prior to 1150

Meanings

a-1

prefix
  1. idiomaticForming verbs with the sense away, up, on, out.

    arise, await

  2. idiomaticForming verbs with the sense of intensified action.

    abide, amaze

a-2

prefix
  1. idiomaticrareIn, on, at; used to show a state, condition, or manner. Also passing into sense 2.First known use First attested prior to 1150

    aglow, apace, afire, aboil, a-bling, abluster

  2. idiomaticIn, into. Also passing into sense 5.First known use First attested prior to 1150

    asunder

  3. In the direction of, or toward.First known use First attested prior to 1150

    astern, abeam

  4. archaicdialectalAt such a time.First known use First attested prior to 1150

    Come a-morning we are going hunting.

  5. archaicdialectalIn the act or process of. Used in some dialects before a present participle.First known use First attested prior to 1150

    hits a-poppin

    4 more examples

    doins a-transpirin

    The twelfth day of Christmas, My true love sent to me Twelve lords a-leaping, … Eight maids a-milking, Seven swans a-swimming, Six geese a-laying,

    1780, The Twelve Days of Christmas

    circa 1850, Here We Come A-wassailing/Here We Come A-caroling Here we come a-wassailing Among the leaves so green; Here we come a-wand’ring So fair to be seen.

    Oh waste no words a-wooing The soft sleep to your bed;

    1939, Alfred Edward Housman, Additional Poems, XIII, lines 6-7

a-3

prefix

alternative i-

  1. alternativearchaicdialectalAlternative form of y-. In dialect, it is sometimes conflated with sense 5 of the previous definition, and is used as a general indicator of a participle.First known use First attested around 1150 to 1350 (Middle English).

    aware, alike

  2. DevonUsed to form the past participle of a verb.

    I have a-gone.

    1 more example

    I have a-seen a bird.

a-4

prefix
  1. idiomaticForming words with the sense of wholly, or utterly out.First known use First attested from around 1150 to 1350.

    abash

a-5

prefix
  1. Not, without, opposite of.

    amoral, asymmetry, atheism, asexual, acyclic, atypical

    2 more examples

    When invited to believe in the Chimaera, the horse-centaurs, or the winged horse Pegasus, all of them straightforward Pelasgian cult-symbols, a philosopher felt bound to reject them as a-zoölogical improbabilities ….

    1948 (revised 1952), Robert Graves, The White Goddess, Faber & Faber 1999, page 7

    If aroused outside the proper outlet of marriage, [female lust] could range out of control, turning its possessor into an a-feminine monster: that is what happened to fallen women.

    2012, Faramerz Dabhoiwala, The Origins of Sex, Penguin, published 2013, page 191

    Synonyms: an-, dys-, i-, il-, im-, in-, ir-, mal-

a-6

prefix
  1. idiomaticTowards; Used to indicate direction, reduction to, increase to, change into, or motion.First known use First attested from around 1150 to 1350.

    ascend, aspire, amass, abandon, avenue

a-7

prefix
  1. idiomaticAway from.First known use First attested from around 1150 to 1350.

    avert, aperient, abridge, assoil, assoilzie

a-8

prefix
  1. idiomaticOf, from.First known use First attested prior to 1150.

    anew, afresh, athirst

a-9

prefix
  1. alternativeAlternative form of -a (“empty syllable added to songs, poetry, verse and other speech”).

    A-tisket a-tasket, A green and yellow basket

a-10

prefix
  1. ChesterUsed as a prefix to verbs in the sense of remaining in the same condition. Actively doing something.

    a-be, a-going

    1 more example

    Let that choilt a-be, wilt ta?

    Let the child be! will you?

Synonyms & antonyms

prefixNot, without, opposite of.

Origin

a- · prefix

  1. Proto-Indo-European*uds-“up, out”
  2. Proto-Germanic*uz-“out-”
  3. Proto-West Germanic*uʀ-
  4. Old Englishā-
  5. Middle Englisha-“up, out, away”
  6. Englisha-

From Middle English a- (“up, out, away”), from Old English ā-, originally *ar-, *or-, from Proto-West Germanic *uʀ-, from Proto-Germanic *uz- (“out-”), from Proto-Indo-European *uds- (“up, out”). Cognate with Old Saxon a-, German er-.

Full word history & related roots →

a- · prefix

  1. Old Englishan“on”
  2. Middle Englishan“on”
  3. Middle Englisha-“on”
  4. Englisha-

From Middle English a- (“on”), derived from unstressed Middle English an (“on”), from Old English an (“on”). See a (preposition, on, to, in, etc.)

Full word history & related roots →

a- · prefix

  1. Proto-Indo-European*ḱóm“with”
  2. Proto-Germanic*ga-
  3. Proto-West Germanic*ga-
  4. Old Englishġe-
  5. Middle Englisha-
  6. Englisha-

From Middle English a-, a variant form of y-, from Old English ġe-, from Proto-West Germanic *ga-, from Proto-Germanic *ga-, from Proto-Indo-European *ḱóm (“with”).

Full word history & related roots →

a- · prefix

  1. Latinex-
  2. Old Frenche-
  3. Anglo-Normana-
  4. Englisha-

From Anglo-Norman a-, from Old French e-, from Latin ex-.

Full word history & related roots →

a- · prefix

  1. Ancient Greekἀ-
  2. Englisha-

From Ancient Greek ἀ- (a-), preconsonantal form of ἀν- (an-). Distant doublet of un-.

Full word history & related roots →

a- · prefix

  1. Latinad“towards”
  2. Middle Frencha-
  3. Middle Englisha-
  4. Englisha-

Assimilated form of ad- before b, sc, sp, st, and sometimes m. From Middle English a-, from Middle French a-, from Latin ad (“towards”).

Full word history & related roots →

a- · prefix

  1. Latinab“of, off, from, away”
  2. Englisha-

From Latin ab (“of, off, from, away”).

Full word history & related roots →

a- · prefix

  1. Middle Englisha-
  2. Englisha-

From Middle English a-, o- (“of”). See a (preposition, of).

Full word history & related roots →

Translations

Catalan a-
  • a-not, without, opposite of
Danish -a
  • -anot, without, opposite of
Dutch a-
  • a-not, without, opposite of
Finnish a-, epä-
  • a-not, without, opposite of
  • epä-not, without, opposite of
French a-
  • a-not, without, opposite of
German a-
  • a-not, without, opposite of
Irish a-
  • a-not, without, opposite of
Italian a-
  • a-not, without, opposite of
Latvian a-
  • a-not, without, opposite of
Norwegian Bokmål a-
  • a-not, without, opposite of
Polish a-
  • a-not, without, opposite of
Portuguese a-
  • a-not, without, opposite of
Spanish a-, an-
  • a-not, without, opposite of
  • an-not, without, opposite of
Turkish a-, ... karşıtı
  • a-not, without, opposite of
  • ... karşıtınot, without, opposite of
  • -tanımaznot, without, opposite of
  • ... olmayannot, without, opposite of
Cite this entry
APA

a-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/a-

MLA

“a-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/a-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “a-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/a-.

Source: a- on Wiktionary, CC BY-SA 4.0.