Steepest is an adjective.
The terrain is the steepest when it's on the left side of the map.
yes
steepest part is 37 degrees.
Scenic World's railway line is the steepest
The terrain is the steepest when it's on the left side of the map.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
Steepest Road in the UK, Ffordd Penllech, Harlech
The part of speech for "explicit" is an adjective.