easy
There is no direct opposite.
Opposite of Colt is 'Filly'.
Parrot
The opposite gender for master is Mistress. A mistress is a dominant female creature, such as a lioness to a lion.
the opposite of vicious is gentle / kind
The opposite of "Push hard" or a hard push is an easy or light push.
The opposite of rock-hard would be soft or flexible.
The opposite of hard-working could be lazy, slothful, lethargic, or indolent.
If you mean hard as in the opposite of soft, then rigid, firm, adamatine. If you mean the opposite of easy, then difficult
Soft
Soft means yielding readily to touch or pressure, easily penetrated or changed in shape. The opposite would be hard, solid and firm to the touch.
hard
hard
Hard
The usual opposite of facil (easy) is dificil(difficult, hard).
the Hebrew word for complicated or hard (the opposite of easy) would be: kahshe and hard (the opposite of smooth) would be the same.
"Me gusta duro" or "Me gusta que sea duro" (hard, as the opposite of soft), or:"Me gusta difícil" or "Me gusta que sea difícil" (hard, as the opposite of easy)