The antonyms for the word "deadended" are words that connote continuity, openness, and continuation. Here are some examples: connected, extended, ongoing, continued, uninterrupted, flowing, unimpeded, and limitless. When we talk about a "deadended" road, we imply that it is a road without an exit or way out. On the other hand, if we use its antonyms such as "connected" or "uninterrupted," we are referring to roads that lead somewhere. In essence, antonyms for "deadended" indicate a more positive outlook where things are ongoing, connected, or flowing, giving us the feeling of possibilities and opportunities.