Simple past tense and past participle of oath. (verb)
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Use "oathed" in a sentence
"Are sentient entities such as the NetMind created only through Psy influenced nets/webs, or do webs consisting only of changelings also have them (groups of alphas & blood oathed soldiers)?"
"Riley blood oathed with Hawke so he's connected there and although Nalini hasn't stated it, Hawke should be in Judd's web b/c they blood oathed too."
"Another important factor for me was the fact that the oaths are never explained to you before you are deep into the temple ceremony and the necessity of agreeing to them is put to you in front of dozens of already-oathed members of your family and church community."