Crossword Clue:

person or thing that hardens

Answer	Crossword Clue
NOUN	Person or thing
ENTITY	Person or thing
NOUN	Person, place or thing

ENTITY	Distinct person or thing.
NOUN	Person place or thing
KEY	Essential person or thing.
ONER	Unique thing or person
ANATHEMA	Person or thing detested.
ANATHEMA	Despised thing or person
ANATHEMA	Detested person or thing
ONER	Unique person or thing

RARAAVIS	Unusual person or thing.
NOUN	Person, place, or thing
ONER	Unique person or thing: Slang.
IDOL	Person or thing blindly adored.
LULU	Outstanding person or thing: Slang.
NOUN	Person or place or thing
MITE	Very small person or thing.
JUMBO	Big clumsy thing or person.

NOUN	Person place or thing grammatically
SOANDSO	An unnamed person or thing.
RARAAVIS	Unusual person or thing: Lat.
NOUN	"Person," "place" or "thing," e.g.
THELIKE	Person or thing similar to another
IDOL	Person or thing with a following
NOUN	Person, place, or thing, in grammar
NOUN	Person, place or thing, in grammar

ELEMENT	Environment adapted to any person or thing.
ANTITYPE	Person or thing foreshadowed by a preceding one.
NOUN	Schoolhouse Rock "A ... Is a Person, Place or Thing"
NOUN	Schoolhouse Rock "A ... is a Person, Place, or Thing"