Synonyms of long-term

1 Syllable

old

2 Syllables

undying, stable, constant, endless, lasting

3 Syllables

durable, perennial, continuing, perpetual, deep-rooted, eternal, longstanding, long-range, continual, abiding, forever, persisting, lifelong, permanent, incessant, unceasing, overall

4 Syllables

unremitting, indelible, everlasting, perdurable

5 Syllables

longitudinal, indissoluble, inexpungible, inexhaustible