What does TIGHT mean?

adjective

1. closely constrained or constricted or constricting“tight skirts”
2. pulled or drawn tight“taut sails”
3. set so close together as to be invulnerable to penetration“in tight formation”
4. pressed tightly together“with lips compressed”
5. (used of persons or behavior) characterized by or indicative of lack of generosity“a mean person”
6. affected by scarcity and expensive to borrow“tight money”
7. of such close construction as to be impermeable“a tight roof”
8. of textiles“a close weave”