stalwart

 
Pronunciation: /ˈstɔːlwət, ˈstal-/

adjective

  • loyal, reliable, and hard-working: he remained a stalwart supporter of the cause
  • dated strongly built and sturdy: he was of stalwart build

noun

  • a loyal, reliable, and hard-working supporter of or participant in an organization or team: the stalwarts of the Labour Party

Derivatives

stalwartly

adverb

stalwartness

noun

Origin:

late Middle English: Scots variant of obsolete stalworth, from Old English stǣl 'place' + weorth 'worth'