unflagging
- adjective (adj)
Meaning: persistent
Synonyms:
active
assiduous
constant
diligent
dynamic
energetic
fixed
indefatigable
inexhaustible
persevering
staunch
steady
tireless
unceasing
undeviating
unfailing
unfaltering
unrelenting
unremitting
unretiring
untiring
unwearied
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.