(1):

(v.) Of or pertaining to a former time or state; neither present nor future; gone by; elapsed; ended; spent; as, past troubles; past offences.

(2):

(adv.) By; beyond; as, he ran past.

(3):

(n.) A former time or state; a state of things gone by.

(4):

(prep.) Beyond, in time; after; as, past the hour.

(5):

(prep.) Beyond, in position, or degree; further than; beyond the reach or influence of.

(6):

(prep.) Above; exceeding; more than.