Adventive
Part of speech: adjective
Definition: adventitious Of a plant that is not native, but was introduced by humans to a place and has since become naturalized.
Strange
Part of speech: adjective
Definition: Not normal; odd, unusual, surprising, out of the ordinary.Unfamiliar, not yet part of one's experience.Having the quantum mechanical property of strangeness.
Example sentence: It is strange that the years teach us patience; that the shorter our time, the greater our capacity for waiting.