insubstituïble

In a sentence

• L'amistat veritable és insubstituïble.

  True friendship is irreplaceable.

  In this sentence, 'insubstituïble' describes the unique and unmatched quality of true friendship, emphasizing that it cannot be replaced or equaled by something else.

• Aquest llibre antic és insubstituïble per la seva història.

  This old book is irreplaceable because of its history.

  Here, 'insubstituïble' conveys the unique value of the book due to its historical significance, meaning it has no equal or replacement.

• Cada individu té una contribució insubstituïble a la societat.

  Each individual has an irreplaceable contribution to society.

  In this context, 'insubstituïble' refers to the unique and invaluable role or contribution of every individual, highlighting the idea that everyone has a distinct and crucial part to play.