Poor the opposite of rich is poor
The Spanish word for "rich" (rico, rica) could have the opposite pobre (poor).
rich
rich
Poor
poor
The opposite of prominent is inconspicuous or unremarkable.
poor
rich
Another word for "opposite meaning" is an "antonym." For example, the opposite of fat is thin. The opposite of rich is poor. The opposite of up is down.
good quality
Poor, penniless, destitute