1
[ adjective ] relating to the peripheral and unimportant aspects of life

Examples

"a hole-and-corner life in some obscure community"- H.G.Wells

Related terms

insignificant

2
[ adjective ] conducted with or marked by hidden aims or methods

Examples

"clandestine intelligence operations" "cloak-and-dagger activities" "secret missions" "surreptitious mobilization of troops" "an undercover investigation" "underground resistance"

Related terms

covert

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