Webster's 1828 Dictionary
COMMITTED
pp. Delivered in trust; given in charge; deposited; imprisoned; done; perpetrated; engaged; exposed; referred to a committee.
New American Oxford Dictionary
committed
com mit ted |kəˈmitid kəˈmɪdɪd | ▶adjective feeling dedication and loyalty to a cause, activity, or job; wholeheartedly dedicated: a committed reformer.
Oxford Dictionary
committed
com ¦mit |ted |kəˈmɪtɪd | ▶adjective 1 pledged or bound to a certain course or policy; dedicated: a committed environmentalist. 2 in or denoting a long-term emotional relationship: a committed relationship | Esther has a committed boyfriend.
American Oxford Thesaurus
committed
committed adjective a committed family man: devout, devoted, dedicated, loyal, faithful, staunch, firm, steadfast, unwavering, wholehearted, keen, passionate, ardent, fervent, sworn, pledged; dutiful, diligent; informal card-carrying, hard-core, true blue. ANTONYMS apathetic.
Oxford Thesaurus
committed
committed adjective they are committed Christians: devout, devoted, loyal, dedicated, faithful, staunch, firm, steadfast, resolute, unwavering, sincere, wholehearted, keen, earnest, enthusiastic, zealous, passionate, ardent, fervent, active, sworn, pledged; dutiful, hard-working, diligent, studious, assiduous; French engagé; informal card-carrying, red-hot, true blue, mad keen, deep-dyed. ANTONYMS apathetic.
Sanseido Wisdom Dictionary
committed
com m í t ted /-ɪd /形容詞 〖名詞 の前で 〗真剣な, 献身的な 〈人など 〉▸ a committed nationalist 熱心な愛国主義者