An Antonym would be sorrowful
"A prop is worth a thousand words" would mean that a carefully selected prop could explain the situation better than to use words to explain it. The expression is similar to that of - a picture is worth a thousand words, they mean the same, basically.
Answer:
Juxtaposition in literary terms is the showing contrast by concepts placed side by side. An example of juxtaposition are the quotes "Ask not what your country can do for you; ask what you can do for your country", and "Let us never negotiate out of fear, but let us never fear to negotiate"
Explanation: