Simple past tense and past participle of penetrate.
Penetrated Sentence Examples
Arrows penetrated the darkness of the alley.
John Van Metre, an Indian trader, penetrated into the northern portion in 1725, and Morgan ap Morgan, a Welshman, built a cabin in the present Berkeley county in 1727.
Guardian's voice penetrated her spinning thoughts.
Examples may perhaps occasionally still be found in the uninhabited forests of Hungary and Transylvania, and occasionally in Spain and Greece, as well as in the Caucasus and in some of the Swiss cantons, but the original race has in most countries interbred with the domestic cat wherever the latter has penetrated."