Synonyms of forever

1 Syllable
vast
2 Syllables
ever, vaster, long-term, always, diurnal, spread-out, termless, lasting, vastest, longterm
3 Syllables
endlessness, eternal, durably, longstanding, forevers, lastingly, endlessly, timeless, stretched-out, perduring, permanent
4 Syllables
permanently, enduringly, immortally, persistently, timelessness, undefined, ceaselessly, sempiternal, eternalness, eternally, perpetually, relentlessly, unceasingly, unendingly, tirelessly, unchangingly, immemorial, evermore
5 Syllables
forevermore, interminably, unlimitedly, everlastingness, eternality, imperishable, everlastingly, infinitely, unremittingly
6 Syllables
indefinitely, uninterruptedly