The antonyms for the word "un-fettering" are "restraining," "constraining," "prohibiting," and "inhibiting." When something is "un-fettered," it is free and unrestrained. In contrast, when something is "restrained" or "constrained," it is limited and held back. Similarly, when something is "prohibited" or "inhibited," it is prevented from happening or proceeding. Antonyms can help add depth and detail to language and can help people understand shades of meaning in words. By understanding antonyms for "un-fettering," we can better appreciate the meaning and impact of freedom, limitation, and restraint in our lives.