/
ˈstɔːlwət, 
ˈstal-/
adj.
  - loyal, reliable, and hard-working.
- dated sturdy.
n.
 a stalwart supporter or participant in an organization.
Derivative
- stalwartly adv.
- stalwartness n.
Etymology
ME: Scots var. of obs. stalworth, from OE stæl ‘place’ + weorth ‘worth’.