Sacred/ˈseɪkrɪd/ Definition 1 of 4Pro Tip 1/3Deep Reverence Use 'sacred' to express deep respect for something, suggesting it should not be altered or damaged. Ancient traditions are sacred to this tribe. Pro Tip 2/3Not Physical 'Sacred' can describe intangible things like principles or oaths, highlighting their importance. Defending justice is a sacred obligation. Pro Tip 3/3Not Casual Avoid using 'sacred' in casual contexts; it's reserved for serious or profound subjects. Laughing at something sacred can be very offensive.