Unconditional power is a concept that refers to absolute control over a particular domain, without any limitations or constraints. There are several synonyms that can be used to describe this concept, such as unchallengeable authority, unlimited dominion, boundless control, and absolute supremacy. Other possible synonyms include unrestricted influence, complete sovereignty, full jurisdiction, unfettered sway, and ultimate command. These terms all convey a sense of absolute power and authority that is not subject to any external constraints or limitations. They are frequently used to describe rulers, governments, or other entities that exercise a high degree of control over their subjects or domains.