võimatu

In a sentence

• Seda on võimatu uskuda.

  It is impossible to believe this.

  Here, 'võimatu' is used as an adjective to describe a situation or state that cannot be believed.

• Ta ütleb, et väljakutse võimatu täita.

  He says the challenge is impossible to complete.

  In this sentence, 'võimatu' functions as an adjective describing an activity or task that cannot be done.

• Võimatu on mõista, miks ta nii käitub.

  It is impossible to understand why he acts this way.

  Here, 'võimatu' describes a difficulty in comprehending someone's behavior, serving as the subject of the sentence.