Definition: the least possible
Usage: needed to enforce minimal standards; her grades were minimal; minimum wage; a minimal charge for the service
Similar words: borderline, marginal
Definition: of questionable or minimal quality
Usage: borderline grades; marginal writing ability
Similar words: negligible
Definition: so small as to be meaningless; insignificant
Usage: the effect was negligible
Similar words: nominal, token, tokenish
Definition: insignificantly small; a matter of form only (`tokenish' is informal)
Usage: the fee was nominal; a token gesture of resistance; a toknenish gesture
Similar words: stripped, stripped-down
Definition: having only essential or minimal features
Usage: a stripped new car; a stripped-down budget