Definitions:

1. in a despicable, ignoble manner adverb
   • this new leader meanly threatens the deepest values of our society
2. in a miserly manner adverb
   • they lived meanly and without ostentation
3. poorly or in an inferior manner adverb
   • troops meanly equipped

Synonyms:

• basely
• humbly
• nastily
• scurvily