Related Clues:

• Least ferocious
• Like the kiddie rides at a park, relatively speaking
• Least dangerous
• Most domesticated
• Least obstreperous
• Least feral
• Birth control superlative
• Least spicy
• Most subdued
• Like AAA-rated bonds, as bonds go
• Most uninspired
• Most gentle
• Least apt to bite
• Most dependable
• Least thrilling