An Encylopedia Britannica Company

goodness

goodness /ˈgʊdnəs/ noun
goodness
/ˈgʊdnəs/
noun
Britannica Dictionary definition of GOODNESS
[noncount]
: the quality or state of being good: such as
: the quality or state of being kind, honest, generous, helpful, etc.
: the quality or state of being useful or effective
used to express mild surprise or shock
◊ People use I swear to goodness, I hope to goodness, or I wish to goodness to add force to a statement.

for goodness' sake

used to express surprise or annoyance

goodness knows

see 1know