nitty-gritty

Definitions of nitty-gritty
1

n the choicest or most essential or most vital part of some idea or experience

Synonyms:
center, centre, core, essence, gist, heart, heart and soul, inwardness, kernel, marrow, meat, nub, pith, substance, sum
Types:
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bare bones
(plural) the most basic facts or elements
hypostasis
(metaphysics) essential nature or underlying reality
haecceity, quiddity
the essence that makes something the kind of thing it is and makes it different from any other
quintessence
the purest and most concentrated essence of something
stuff
a critically important or characteristic component
Type of:
cognitive content, content, mental object
the sum or range of what has been perceived, discovered, or learned

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