dedicated
adjective
1 a dedicated supporter | a dedicated musician:
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;
informal card-carrying, deep-dyed, as keen as mustard, mad keen.
▷antonyms indifferent, apathetic.