Simple Definition of stalwart

from our Learner's Dictionary

stalwart

1 of 2

adjective

formal
1
: very loyal and dedicated
stalwart fans/supporters
2
: physically strong
their strong and stalwart son
stalwart fortifications

stalwart

2 of 2

noun

plural stalwarts
formal : a loyal supporter
party stalwarts [=people who support a political party very loyally]

Cite this Entry

“Stalwart.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/stalwart. Accessed 23 Jun. 2026.

More from Merriam-Webster