1. superlative form of unhealthy; most harmful to physical or mental well-being
Usage: superlative form
2. superlative form of unhealthy; most indicative of poor health or disease
Usage: superlative form

Examples

• Fast food is often considered the unhealthiest option on restaurant menus.
• The unhealthiest patients were moved to the intensive care unit.
• Smoking is one of the unhealthiest habits a person can have.
• The city’s unhealthiest neighborhoods lack access to fresh groceries.
• This is the unhealthiest diet I’ve ever seen recommended.
• The unhealthiest trees in the forest showed signs of disease.
• Among all the lifestyle choices, his was the unhealthiest.