L'amante aspetta fuori.

Because in Italian, the singular definite article is often shortened before a vowel.

• il / lo
  • vowel → l'
• la
  • vowel → l'

So amante begins with a vowel, and both masculine and feminine singular forms can become l'amante.

The apostrophe marks this shortening, called elision.

By itself, l'amante does not tell you clearly, because amante can refer to a man or a woman, and l' is used for both masculine and feminine singular before a vowel.

Usually, you find out from:

• context
• adjectives
• past participles
• other words in the sentence

For example:

• l'amante geloso = the male lover
• l'amante gelosa = the female lover

Aspetta is the third-person singular present indicative of aspettare.

So it means:

• he waits
• she waits
• is waiting

Italian present tense often covers both simple present and present continuous, depending on context.

Italian usually leaves subject pronouns out when they are not needed. This is because the verb ending already gives information about the person and number.

Here, aspetta tells you it is third-person singular, so Italian does not need to say lui or lei unless there is emphasis or contrast.

So:

• L'amante aspetta fuori. = normal
• Lei aspetta fuori. = possible, but more emphatic or contrastive depending on context

Fuori is an adverb of place here. It means outside.

In L'amante aspetta fuori, it tells you where the waiting happens.

Italian often uses fuori by itself after verbs like:

• aspettare = to wait
• stare = to stay
• andare = to go

So aspetta fuori is a very natural structure.

Not in this sentence.

Fuori can stand alone as an adverb:

• aspetta fuori = waits outside

But in other contexts, it can combine with more words:

• fuori casa = outside the house / away from home
• fuori dalla città = outside the city

So here, fuori by itself is completely correct.

Because that is the most natural position in a simple sentence like this.

A common Italian order is:

• subject + verb + adverb/place expression

So:

• L'amante aspetta fuori.

sounds neutral and normal.

You could change the order for emphasis, but that would sound more marked:

• Fuori aspetta l'amante.

That is not the basic, everyday order.

Aspetta is pronounced roughly ah-SPET-tah.

A useful point for English speakers: the tt is a double consonant, so it is held a little longer than a single t.

So try to hear and say:

• a-spe-ta = not correct enough
• a-spet-ta = better

That doubled consonant matters in Italian pronunciation.

Here, amante is singular.

Possible plural forms are:

• gli amanti = the lovers / the male lovers / a mixed group
• le amanti = the female lovers

So l'amante means the lover in the singular.

Yes. Amante most often means lover in a romantic sense, but the exact nuance depends on context.

It can suggest:

• a romantic partner
• a lover, sometimes with the sense of an affair
• in some contexts, simply a beloved person

So it is a word whose tone can shift depending on the situation. Context usually makes the intended sense clear.