Well-paid means earning a good wage. A well-paid job, well-paid work, a well-paid few years.
It is always relative, and the same salary is well-paid in one town and not in another. A well-paid job that nobody wants to do is usually paying for the conditions rather than the skill.
1adjectivewell-paidEarning a good wage.
“The work was well-paid and finished him in four years.”
well-paid is a quality.
Well plus paid; the compound is recorded in Middle English as wel-paied.
Middle English
wel-paied
English, today
well-paid
From Middle English wel-paied, equivalent to well + paid.
Etymology from Wiktionary, CC BY-SA