side
The 12-sided fort would have been a powerful deterrent to any invading force.
The road emerges from among steep-sided hills.
There was a narrow-sided valley where the plane had vanished.
SMART Vocabulary: related words and phrases Complexity
advanced
all-singing
baroque
baroquely
be more to something than meets the eyeidiom
fancily
finicky
fractally
high-tech
indirectly
non-basic
onerousness
ornate
ornately
over-elaborate
tortuously
tortuousness
twisty
ultra-sophisticated
wheels within wheelsidiom
You can also find related words, phrases, and synonyms in the topics:
Edges & extremities of objects
Geometry: parts of geometrical shapes