sencera

In a sentence

• Vaig menjar una poma sencera.

  I ate an entire apple.

  Here, "sencera" is an adjective that modifies "poma" (apple) to indicate that it was whole and not divided.

• Aquest projecte requerirà una setmana sencera.

  This project will require a whole week.

  In this example, "sencera" is describing "setmana" (week) to emphasize that it's the duration of a full week.

• S'ha endut la culpa sencera per l'error.

  He took full responsibility for the mistake.

  Here, "sencera" is used figuratively to modify "culpa" (responsibility) to convey totality or completeness in an abstract sense.