Synonyms of longterm

1 Syllable
old
2 Syllables
undying, stable, constant, endless
3 Syllables
durable, perennial, continuing, perpetual, deep-rooted, eternal, longstanding, continual, abiding, forever, persisting, lifelong, permanent, incessant, unceasing
4 Syllables
unremitting, indelible, everlasting, perdurable
5 Syllables
indissoluble, inexpungible, inexhaustible