adjective. Coming before the next to the last in a series.

noun. An antepenult.

Immediately preceding that one of a series which is next to the last one; being the third from the last of a series: as, the antepenultimate joint of a limb.

Pertaining to the last syllable but two.

noun. The antepenultima.

adjective. Of or pertaining to the last syllable but two.

adjective. Two before the last, i.e., the one immediately before the penultimate, in a series.

adjective. Last but two; third from last.

noun. Two before the last in a series. e.g. (..., antepenultimate, penultimate, ultimate)

noun. The syllable that comes two before the last in a word.

noun. the 3rd syllable of a word counting back from the end

adjective. third from last

"The word is "antepenultimate", not "antipenultimate". (i.e., it's "the one before the one before the last" ... not "not the one before the last") 3."

intermediate  

penultimate  preantepenultimate  ultimate  

syllable  

third last