The term "more solid" implies a greater degree of stability and firmness. Its antonyms, or opposite meanings, can include words like unstable, flimsy, weak, liquid or gas. Some other antonyms for "more solid" may include soft, pliable, flexible, or fluffy. These opposing terms suggest the absence of solidity, meaning that these objects or substances lack structural strength or are easily broken apart. Whether describing a physical or metaphorical quality, identifying antonyms for "more solid" can help to clarify the meaning of the word and provide a deeper understanding of the concept being conveyed.