ambitiousness

But on top av my ambitiousness there was an empty place in my sowl, an' me own opinion av mesilf cud not fill ut.

Ambitiousness in those olden days showed itself in momentary outburst; the ambitiousness of to-day runs riot.

Nevertheless the lad wondered at the size and ambitiousness of this undertaking and accomplishment in the wilderness.

Well, I don't want to discourage your ambitiousness, but I guess you've struck Kilo about the worst time in the century.