with each passing month

:  being one of two or more distinct individuals having a similar relation and often constituting an aggregate

:  each one

:  to or for each :  apiece

:  the act of one that passes or causes to pass

:  death

:  going by or past

:  having a brief duration

:  surpassing

:  to a surpassing degree :  exceedingly

:  a measure of time corresponding nearly to the period of the moon's revolution and amounting to approximately 4 weeks or 30 days or ¹⁄₁₂ of a year

:  an indefinite usually extended period of time

:  one ninth of the typical duration of human pregnancy