Word/Phrase: imperceptible
Translation: imperceptible
Pronunciation: ɪm.pərˈsɛp.tɪ.bəl
The changes were so small that they were imperceptible - Los cambios eran tan pequeños que eran imperceptibles
He spoke in an imperceptible whisper - Habló en un susurro imperceptible
The difference was imperceptible to the naked eye - La diferencia era imperceptible a simple vista
Her smile was almost imperceptible - Su sonrisa era casi imperceptible
The sound was imperceptible in the noisy room - El sonido era imperceptible en la habitación ruidosa