hole-and-corner vs insignificant

hole-and-corner and insignificant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hole-and-corner	No	Yes	No	No
insignificant	No	Yes	No	No

hole-and-corner (adjective)	insignificant (adjective)
conducted with or marked by hidden aims or methods	devoid of importance, meaning, or force
relating to the peripheral and unimportant aspects of life	signifying nothing
	of little importance or influence or power; of minor status
	small and unimpressive