1. superlative form of gappy; having the most gaps, spaces, or missing parts
Usage: informal; comparative form is 'gappier'

Examples

• The gappiest section of the fence needed the most repair work.
• Her smile was the gappiest in the class before she got braces.
• The gappiest part of the data made statistical analysis difficult.
• That old wooden bridge had the gappiest floorboards of any structure in town.
• The gappiest rows in the spreadsheet indicated missing entries.