Meaning & use

a- prefix

prefix·Advanced

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UK/ˈeɪ ˌpriːfɪks/
US/ˈeɪ ˌpriːfɪks/

Meanings

  1. prefixformalliterary

    a prefix added to some nouns and verbs to make adjectives or adverbs meaning 'in a state of' or 'on/in a place'.

    Grammar: It always joins the word directly: asleep, awake, ashore, ablaze — never written separately.

    Patterns

    • a- + noun (asleep, ashore)
    • a- + verb (awake, ablaze)

    The children were asleep before the film ended.

    After the storm, the whole hillside was ablaze.

    The sailors went ashore as soon as the boat reached the harbor.

  2. prefixtechnicalformal

    a prefix meaning 'not' or 'without', seen in a few older words such as amoral and atypical.

    Grammar: This 'not' sense is rare and mostly appears in words borrowed from Greek: atypical, asymmetry.

    Patterns

    • a- + adjective (atypical, amoral)

    His reaction was atypical for someone so calm.

    The design shows a certain asymmetry that critics disliked.

  3. prefixold-fashionedliterary

    a prefix meaning 'on' or 'in', used in a few old-fashioned words such as abed and afire.

    Grammar: These forms are old-fashioned and mostly appear in poetry or set phrases.

    Patterns

    • a- + noun (abed, afire)

    The old poem describes a village afire at dawn.

    In the story, the king was still abed when the messengers arrived.

Common combinations

fast asleep
By nine o'clock the baby was fast asleep.
wide awake
I was wide awake at three in the morning.
go ashore
The crew went ashore to buy fresh water.
set ablaze
Dry grass was set ablaze by the lightning.
atypical for someone
Being late is atypical for her.

Synonyms and how they differ

in-
In- also means 'not' (incorrect), but it attaches to Latin words, while a- appears mostly in Greek ones.
un-
Un- is the everyday 'not' prefix (unhappy); a- is much rarer and more formal.

Word family

asleep adjective
in a state of sleep; not awake.
awake adjective
not sleeping; conscious.
ashore adverb
on or toward the land from the water.
ablaze adjective
burning strongly; full of bright light or color.
atypical adjective
not typical or usual.

Commonly confused: a- prefix or the article a?

a- prefix vs the article a

The article an is a separate word before a noun (a book). The prefix a- is part of a single word (asleep) and is never written alone.

Practice

In which word is a- used with the meaning 'in a state of'?

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