1. superlative form of tight: most firmly fixed in place or difficult to move
2. superlative form of tight: most closely fitting
3. superlative form of tight: most strict or severe in control

Examples

• This jar has the tightest lid I’ve ever encountered.
• She wore her tightest jeans to the party.
• The coach maintained the tightest discipline on the team.
• It was the tightest race in the tournament’s history.
• He kept the tightest grip on the rope during the climb.
• The security at the airport was the tightest we’d seen.
• This is the tightest budget we’ve ever worked with.