adjective

devoted to a task or purpose.

a team of dedicated doctors

committed,devoted,staunch,stalwart,firm,steadfast,resolute,unwavering,loyal,faithful,true,dyed-in-the-wool,through and through,wholehearted,single-minded,enthusiastic,eager,keen,earnest,zealous,driven,ardent,passionate,fervent,fervid,fanatical,hard-working,dutiful,diligent,assiduous,studious,sworn,pledged,card-carrying,deep-dyed,as keen as mustard,mad keen