Synonym of MINIMUM

Little : small in size, amount, or degree (often used to convey an appealing diminutiveness or express an affectionate or condescending attitude).
Lowest : of less than average height from top to bottom or to the top from the ground.
Minimal : of a minimum amount, quantity, or degree; negligible.
Meagre : (of something provided or available) lacking in quantity or quality.
Minimum : the least or smallest amount or quantity possible, attainable, or required.

Synonym of Minimum is Minimal