The antonyms for the word "un-committed" include dedicated, devoted, loyal, faithful, and committed. These words signify a strong commitment to a goal, person, or cause which is the opposite of being uncommitted. Being dedicated means being fully committed to a cause or task, while being devoted signifies a loyalty towards a person or belief. Faithful suggests loyalty to a person or institution, while the word committed indicates being fully invested in a plan or action. When a person is uncommitted, they are often characterized as indecisive or unfocused. Conversely, a person who is dedicated, loyal, faithful, or committed is viewed as reliable, trustworthy, and dependable.