Yes, "scanty" is a formal term used to describe something that is small or insufficient in quantity. It is not typically used in colloquial speech; more common terms like "barely" or "a little" are often used instead.
colloquial
Colloquial language or slang terminology.
"True Blue" is a colloquial term used to describe someone who is loyal, trustworthy, and genuine. It implies that the person is sincere and authentic in their actions and intentions.
The scanty amount of food on the table was barely enough for the whole family.
If by "gran" you are referring to a slang term for "grand-mother" then, yes, it is a noun.
Oligohydramnios means scanty amniotic fluid.
Oliguria is the term for reduced or scanty urine production.
colloquial
"Hey Sie" is the formal colloquial term."Hey du" is the informal colloquial term.
Shrink
Lockjaw
The colloquial term for artificial respiration is "the kiss of life". Also, CPR or Cardiopulmonary Resucitation ( Resusitation).
The colloquial term for artificial respiration is "the kiss of life". Also, CPR or Cardiopulmonary Resucitation ( Resusitation).
Uroma
"Spud" is a colloquial term for a potato.
A xylo is a colloquial term for a xylophone.
A waddy is a colloquial term for a cowboy, a war club used by Australian aboriginals, or a piece of wood used as a walking stick.