What does "broad-based" mean?

Of a tax: applying to most or all taxpayers or transactions, rather than a targeted subset.

What is a synonym for "broad-based"?

Common synonyms include: absolute, all embracing, all out, all pervading, born, broad.

adj

adj ·Uncommon ·College level

Adjective

1
Of a tax: applying to most or all taxpayers or transactions, rather than a targeted subset. not-comparable
2
Broadly based, wide-ranging. not-comparable
"In the current situation, we can only dream of a broad-based long-term commitment to public transport in the UK."

"Women's Liberation is a broad-based but informal popular movement."