sturdy
Cross references: 1. strong stur.dy \'st*rd-e-\ aj [ME, brave, stubborn, fr. OF estourdi stunned, fr. pp. of estourdir] to stun, fr. (assumed) VL exturdire to be dizzy as a thrush that is drunk from eating grapes, fr. L ex- + turdus thrush - more at THRUSH 1a: firmly built or constituted : STOUT 1b: HARDY 1c: sound in design or execution : SUBSTANTIAL 2a: marked by or reflecting physical strength or vigor : ROBUST 2b: FIRM, RESOLUTE