floored (Adjective) — Provided with a floor.
floored (Verb) — Greatly surprise. ex. "I was floored when I heard that I was promoted"
floored (Verb) — Knock down with force. ex. "He floored his opponent"
floored (Verb) — Silence by a conclusive answer, surprise response, etc.. ex. "We were floored by his confession"
floored (Verb) — Cover or supply with a floor.