minacious vs forbidding

minacious is not a noun while forbidding is a noun.

Word	Noun	Adjective	Verb	Adverb
minacious	No	Yes	No	No
forbidding	Yes	Yes	No	No

As adjectives, minacious and forbidding are synonyms defined as:

minacious and forbidding: threatening or foreshadowing evil or tragic developments

Other synonyms of minacious include baleful, menacing, minatory, ominous, sinister, threatening.

minacious (noun)	forbidding (noun)
	an official prohibition or edict against something

minacious (adjective)	forbidding (adjective)
threatening or foreshadowing evil or tragic developments	threatening or foreshadowing evil or tragic developments
	harshly uninviting or formidable in manner or appearance