The phrase "bed and board" typically refers to the basic necessities of food and lodging. Antonyms for the word "bed" could include "standing," "upright," or "awake" - all of which imply an opposite state of rest or sleep. For "board," antonyms might include "fasting," "starving," or "abstaining" - all of which imply a lack of food or nourishment. Other opposites for "bed and board" could include "homeless and hungry," "traveling and fasting," or "outdoors and malnourished." Ultimately, the antonyms for "bed and board" call to mind a state of discomfort or deprivation, in contrast to the comfort and sustenance implied by the original phrase.