many-sided
multilateral
90-degree
after-hours
all-out
bone-crushing
cross-cultural
five-way
four-car
four-way
gastroesophageal
hand-to-hand
hard-fought
long-standing
many-to-many
one-on-one
point-to-point
professional-grade
shutoff
symbiotic
telepathic
three-week
two-hour
two-way