Ég þoli ekki hávaðann.

Word by word:

• Ég = I
• þoli = tolerate / endure / can stand
• ekki = not
• hávaðann = the noise

So grammatically it is:

• Ég = subject
• þoli = finite verb
• ekki = negation
• hávaðann = direct object

Þoli is the 1st person singular present tense form of the verb þola.

So:

• að þola = to tolerate / endure
• ég þoli = I tolerate / I can stand

This is just the form you use with ég in the present tense.

In a normal Icelandic main clause, ekki usually comes after the finite verb.

So Icelandic says:

• Ég þoli ekki hávaðann

rather than putting ekki before the verb.

This is different from English, which uses do-support:

• I do not tolerate the noise

Icelandic does not need a separate word like do here. The verb itself carries the tense, and ekki follows it.

Because hávaðann is both:

1. definite = the noise
2. in the accusative singular, because it is the direct object of þola

The dictionary form is:

• hávaði = noise
  This is the nominative singular indefinite form.

But after þola, the noun is the object, so it changes case:

• hávaða = noise in the accusative singular indefinite
• hávaðann = the noise in the accusative singular definite

So the ending is doing real grammatical work.

In Icelandic, the definite article is very often added to the end of the noun as a suffix.

So instead of a separate word like English the, Icelandic often uses an ending:

• hávaða = noise
• hávaðann = the noise

This is completely normal Icelandic structure.

There is also a separate article, such as hinn / hin / hið, but in a simple phrase like this, the attached article is the usual choice.

Here, þola takes a direct object in the accusative.

That is why the noun appears as hávaðann, not in its basic dictionary form hávaði.

A useful way to think about it:

• Who is doing the tolerating? → Ég
• What is being tolerated? → hávaðann

That object is in the accusative.

These two letters are very important in Icelandic:

• þ is like the th in thing
• ð is like the th in this

So in this sentence:

• þoli starts with the thing sound
• hávaðann contains the this sound

A rough learner-friendly pronunciation might be:

• Ég ≈ yeg
• þoli ≈ THO-li with the thing sound
• ekki ≈ EHK-ki
• hávaðann ≈ HOW-va-thann with the this sound in the middle

That is only approximate, but it helps get started.

Yes. Þola usually means tolerate, endure, or put up with.

So Ég þoli ekki hávaðann is stronger than simply saying you do not like it. It often feels closer to:

• I can’t stand the noise
• I can’t tolerate the noise

So this sentence expresses fairly strong annoyance or discomfort.

Yes, and the meaning changes slightly.

• Ég þoli ekki hávaða = I can’t stand noise / I can’t tolerate noise

  • more general
  • indefinite

• Ég þoli ekki hávaðann = I can’t stand the noise

  • a specific noise
  • something known from context

So the version with -ann is more specific.

Usually, no. Icelandic normally keeps the subject pronoun in a sentence like this.

So the natural full sentence is:

• Ég þoli ekki hávaðann

Unlike some languages, Icelandic does not usually drop the subject pronoun just because the verb ending already shows the person.

Yes, but the basic neutral order here is:

• Ég þoli ekki hávaðann

That is the most straightforward way to say it.

You can move things around for emphasis, for example:

• Hávaðann þoli ég ekki

That gives extra focus to the noise, something like The noise, I can’t stand.

But for a learner, the original order is the safest and most natural starting point.