1. superlative form of mad: most angry or furious
2. superlative form of mad: most insane or mentally ill
Usage: potentially offensive when referring to mental illness
3. superlative form of mad: most wild, frenzied, or chaotic

Examples

• She was the maddest I’d ever seen her when she found out about the lie.
• The maddest patient in the asylum required constant supervision.
• It was the maddest rush hour traffic in years.
• The crowd went into the maddest celebration after the winning goal.
• He’s the maddest fan of that band you’ll ever meet.
• The maddest scramble for tickets began at midnight.
• Even the maddest scientist couldn’t have predicted this result.