which dictionary are you sing? This one clearly shows the ambiguous definition: https://thelawdictionary.org/perpetual https://thelawdictionary.org/perpetual

which dictionary are you sing? This one clearly shows the ambiguous definition: https://thelawdictionary.org/perpetual https://thelawdictionary.org/perpetual > Never ceasing; continuous ; enduring; lasting; unlimited in respect of time; continuing without intermission or interval.