set so close together as to be invulnerable to penetration
- "a tight blockade"
- "in tight formation"
of such close construction as to be impermeable
- "warm in our tight little house"
- "a tight roof"
securely or solidly fixed in place; rigid
- "the bolts are tight"
packed closely together
- "the pub was packed tight"
- "hair in tight curls"
- "they stood in a tight little group"