Difference between Scarce and Barely

SCARCE vs BARELY: ADJECTIVE

Not plentiful or abundant; in small quantity in proportion to the demand; not easily to be procured; rare; uncommon.
Scantily supplied (with); deficient (in); -- with of.
Sparing; frugal; parsimonious; stingy.
To decamp; to depart.
Not enough; hard to find
Uncommon, rare; difficult to find; insufficient to meet a demand.
Insufficient to meet a demand or requirement; short in supply.
Hard to find; absent or rare.
Deficient in quantity or number compared with the demand

By a small margin
In a sparse or scanty way
By a very little; hardly.
In a scanty manner; sparsely.
Without covering; nakedly.
Without concealment or disguise.
But just; without any excess; with nothing to spare (of quantity, time, etc.); hence, scarcely; hardly.
Almost not at all.
Merely.

Synonyms and Rare, Scarce. See rare.
Few in number; seldom seen; infrequent; uncommon; rare: as, scarce coins; a scarce book.
Deficient in quantity or number; insufficient for the need or demand; scant; scanty; not abundant.
Diminished; reduced from the original or the proper size or measure; deficient; short.
Almost not
Scantily supplied; poorly provided; not having much: sometimes with of.
Sparing; parsimonious; niggard; niggardly; stingy.
Characterized by scarcity, especially of provisions, or the necessaries of life.
Hardly; barely; scarcely.
To make less; diminish; make scant.
(idiom) (make (oneself) scarce) To depart, especially quickly or furtively; abscond.
(idiom) (make (oneself) scarce) To stay away; be absent or elusive.

By a little
Almost not
Nakedly; openly; without disguise or concealment.
Scantily; poorly: as, a man barely clad, or a room barely furnished.
Only just; no more than; with nothing over or to spare: as, she is barely sixteen.
Merely; only.
Only a very short time before

Precious, Scanty, Shortages, Finite, Sparse, Scarcity, Abundant, Just, Barely, Scarcely, Hardly, Deficient, Tight, Rare, Insufficient

Not, Badly, Little, Almost, Nearly, Seldom, Rarely, Even, Practically, Only, Scarce, Scantily, Just, Hardly, Scarcely

Scant, Precious, Scanty, Shortages, Finite, Sparse, Abundant, Just, Barely, Scarcely, Hardly, Deficient, Tight, Rare, Insufficient

Not, Badly, Little, Almost, Nearly, Seldom, Rarely, Even, Practically, Only, Scarce, Scantily, Just, Hardly, Scarcely

Nevertheless, reddy tin is scarce, and bills abound.
Extended flat areas preferred for airports are scarce.
Seems IP addresses are an scarce resource nowadays.
CLABSI prevention program, especially if resources are scarce.
Mexican curb could scarce control when once aroused.
But, resources that satisfy human wants are scarce.
They were a scarce resource because of government regulation and, as with all scarce resources, they become expensive.
As something becomes more scarce or less scarce, the desire for it does not change in a proportionate way.
Hardin argues that just like space on a lifeboat is scarce, resources are similarly scarce.
This follows from the nature of scarce goods and scarce factors.

Like, I could barely even move my legs.
It barely peeled any skin off my feet.
In an adhesion contract, the parties barely negotiate.
Upstage, where the light could barely reach them.
Gilbert has barely been off our television screens.
He could barely sit or walk without pain.
This diver must be just barely buoyant that is, it must just barely float.
Scandinavian climate, where half the year the sun barely sets, and the other it barely tops the horizon.
The future belongs to the young men, who are barely of age and barely realizing their freedom.
My barely salvaged heart could barely stand the risk of being dinged yet again.