eternally (adv.)

• always
• boundlessly
• ceaselessly
• constantly
• continually
• endlessly
• ever
• everlastingly
• evermore
• forever
• forevermore
• immeasurably
• immensely
• incessantly
• infinitely
• interminably
• perennially
• permanently
• perpetually
• steadily
• unceasingly
• unendingly