Putting zip into is a term that means infusing energy or excitement into something. However, there are several antonyms for putting zip into, including dulling, weakening, deadening, and boring. When we dull something, we take away its shine and vibrancy. Weakening means to make something less powerful or impactful. Deadening involves making something lifeless or insensitive. Lastly, when something is boring, it is uninteresting and lacks any excitement. The antonyms of putting zip into remind us of the importance of bringing energy and vibrancy into our lives and keeping things interesting and engaging.