1. in a way that lasts forever or for an indefinitely long time; eternally
2. in a way that is constant, continuous, or seemingly endless; incessantly
Usage: often used to express annoyance or exasperation

Examples

• The ancient monument stands everlastingly as a symbol of the civilization that built it.
• She complained everlastingly about the noise from the construction site.
• The stars shine everlastingly in the night sky.
• He was everlastingly grateful for the help his friends provided.
• The children were everlastingly asking questions during the field trip.
• Love, according to the poem, endures everlastingly.
• The machine ran everlastingly without pause until it finally broke down.