1.
rich, abundant, plentiful
Having a great deal of something; wealthy or plentiful in resources.
This country is rich in resources, producing a lot of oil and natural gas.
2.
rich, full (in quality)
Having depth, richness, or fullness in terms of experience, emotion, or expression.
People with expressive faces are attractive.
表情が豊か = expressive, rich in facial expressions
Related Words
Antonym:
乏しい (scarce, lacking)
Compare:
富む (to be rich in)
Compare:
裕福 (wealthy, affluent)
Related:
富 (wealth, riches, fortune)
Compare:
豊穣 (abundant harvest)
Compare:
肥沃 (fertile)
Compare:
潤沢 (abundant)