Definition, synonyms and related words
plural of idea
"The brainstorming session generated dozens of creative ideas for our new marketing campaign."
In plain English: Ideas are thoughts about what to do or how things work that you come up with in your mind.
"She shared her new ideas for starting a small business with her friends."
Usage: Use ideas to refer to thoughts, plans, or concepts that exist in your mind or are proposed for consideration. Treat them as a standard plural noun when discussing multiple distinct suggestions or mental images.
Derived from Ancient Greek idea, this plural form originally meant "that which is seen" or "a visible image." It later evolved to signify an abstract concept or plan of thought in philosophical contexts.