forever as in for a limitless time

• "no one can live forever"
• "brightly beams our Father's mercy from his lighthouse evermore- P.P.Bliss"

Synonyms

• everlastinglyfor a limitless time
• eternallyfor a limitless time
• evermoreat any future time; for a limitless time

forever as in for a very long or seemingly endless time

• "she took forever to write the paper"
• "we had to wait forever and a day"

Synonyms

• forever and a dayfor a very long or seemingly endless time

forever as in without interruption

• "the world is constantly changing"

Synonyms

• constantlywithout variation or change, in every case; without interruption
• alwaysat all times; without variation or change, in every case; without interruption; at any time or in any event; forever
• perpetuallyeverlastingly; without interruption
• incessantlywith unflagging resolve; without interruption