If language legitimately changes so a sentence or phrase has two opposite yet universally used meanings, (presumably resolved in each instance by context), it w

If language legitimately changes so a sentence or phrase has two opposite yet universally used meanings, (presumably resolved in each instance by context), it would still be better writing to avoid it when clarity of meaning is paramount. Encyclopedias are a good place to make as few assumptions and gambles as possible with regard to how a reader might comprehend what is written.