Definitions:

1. A person who behaves in a weak, overly sensitive, or unassertive way. NOUN
   • He's no namby-pamby; he stood up for what he believed in.
2. Weak, spineless, overly soft, or sentimental. ADJECTIVE
   • That movie was too namby-pamby for my taste- nothing exciting ever happened.

Synonyms:

• feeble
• sentimental
• spineless
• weak
• wimpy
• wishy-washy