- not covered or weighted with lead
- not containing lead compounds: said of gasoline
- Printing not having the lines of type separated by leads
- Containing no lead or lead compounds: unleaded paint.
- Not containing tetraethyl lead: unleaded gasoline.
- Printing Not spaced or separated with lead, as lines of type.
un- +"Ž leaded. The standard of identity comes from 40 CFR Â§79.32.