Englishfor English speakers
tighten
—
verb
make tight or tighter
Tighten the wire
—
verb
become tight or tighter
The rope tightened
—
verb
(= stiffen)
restrict
Tighten the rules
stiffen the regulations
—
verb
(= reduce)
narrow or limit
reduce the influx of foreigners
nut
Noun
—
A nut is a kind of seed that usually grows on trees inside a hard shell and that people often eat.
Nuts are a good source of protein.
—
A metal ring that is screwed onto a bolt (thick screw).
—
A crazy person.