straight-from-the-shoulder vs outspoken

straight-from-the-shoulder and outspoken both are adjectives.

Word	Noun	Adjective	Verb	Adverb
straight-from-the-shoulder	No	Yes	No	No
outspoken	No	Yes	No	No

As adjectives, straight-from-the-shoulder and outspoken are synonyms defined as:

straight-from-the-shoulder and outspoken: characterized by directness in manner or speech; without subtlety or evasion

Other synonyms of straight-from-the-shoulder include blunt, candid, forthright, frank, free-spoken, plainspoken, point-blank.

straight-from-the-shoulder (adjective)	outspoken (adjective)
characterized by directness in manner or speech; without subtlety or evasion	given to expressing yourself freely or insistently
	characterized by directness in manner or speech; without subtlety or evasion