1. Literally, to go down on one or both of one's knees in front of someone or something, a gesture of obedience, subservience, loyalty, or respect. The knight knelt down in the presence of the king.

What is knelt down?

/niːl/ knelt or kneeled | knelt or kneeled. B2. to go down into, or stay in, a position where one or both knees are on the ground: She knelt (down) beside the child.

Is knelt down correct?

Right now, both forms exist. They are both still acceptable. In American and British English, knelt is still the most common of the two. British English speakers don't use kneeled as much as Americans do, but it is also gaining in popularity in that version of English.