What are the opposite words for concrete?

When it comes to antonyms for the word "concrete," a few come to mind. For instance, one antonym could be "abstract," which implies the lack of specific definition or clear boundaries. Another antonym could be "illusory," which refers to something that is deceptive or not real. Additionally, one could argue that "vague" could also work as an antonym for "concrete," as it suggests a lack of clarity or specificity. Overall, the range of antonyms for "concrete" helps to demonstrate the nuances of language and how words can have many different meanings and connotations depending on their context and usage.

Antonym of the day

let the cat ouf bag
be quiet, conceal, hide.