appena

Word: appena

Meaning:
"Appena" is an Italian adverb with several related meanings, mainly revolving around the notion of something happening just now, barely, or scarcely.

Explanation:

1. Just now / a moment ago:
   Used to indicate that something recently happened, shortly before the present moment.
   Example:

   • Sono arrivato appena. → I just arrived.

2. Barely / hardly / scarcely:
   Indicates something is barely the case or only just enough.
   Example:

   • C'è appena spazio per le matite. → There is barely enough space for the pencils.

3. As soon as:
   It can sometimes signal "as soon as" when used with a verb in indicative or subjunctive mood.
   Example:

   • Appena arrivi, chiamami. → As soon as you arrive, call me.

Parts:
The word itself is indecomposable in normal use; it functions as a single adverb.

Synonyms:

• Poco fa (just now)
• A malapena (barely, scarcely)
• Non appena (as soon as)

Antonyms:
There isn’t a direct antonym, but depending on sense:

• Long ago (molto tempo fa) for "just now" sense.
• Easily / amply (facilmente) for the "barely" sense.

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Summary:
"Appena" is a versatile adverb that expresses something happening very recently ("just now"), happening with very little margin ("barely") or something happening immediately ("as soon as"). It is frequent in everyday Italian and serves to indicate a very tight timeframe or extent.