Synonyms of persevering

1 Syllable
mule
2 Syllables
patient, stubborn, gamer, gamest, hellbent, busiest, steadfast, grinder, hell-bent, busier, busy, dogged, plucky
3 Syllables
uncompliant, insistent, unflagging, persistent, continuing, industrious, tireless, fussbudget, bulldogged, hard-working, weariless, painstaking, assiduous, tenacious, unwearied, unwearying, sedulous, hardworking, long-lived, easy-going, untiring
4 Syllables
unretiring, unfaltering, resolute, perseverant, unremitting, unforgetful, pertinacious, never-failing, unbendable, perdurable, mild-tempered, determined, uncomplaining
5 Syllables
importunate, indomitable
6 Syllables
indefatigable, perseverative