1. superlative form of long: having the greatest length, duration, or extent

1. superlative form of long: for the greatest amount of time

Examples

• The Mississippi is the longest river in North America.
• She has the longest hair in her class.
• Winter is the longest season of the year.
• This is the longest book I’ve ever read.
• He waited the longest for his turn.
• The longest day of the year is the summer solstice.
• Which route takes the longest to complete?