fixed firmly in place; difficult to move, open, etc
firmly stretched, drawn, or set
said of clothing: fitting closely or too closely
(often in combination) so close or solid in structure as to prevent passage, e.g. of a liquid or gas
a tight seal
an airtight compartment
firm in control, or characterized by such firmness
highly compressed or restricted
a tight literary style
a tight schedule
set close together
a tight formation
evenly contested
a tight match
scarce in proportion to demand
tight money
characterized by such a scarcity
a tight labour market
playing in unison
His three-week-old band was surprisingly tight — The Age (Melbourne)
informal stingy or miserly
informal intoxicated; drunk
informal tense
secretive
in a difficult situation
to keep strict control over an organization, etc