Feebleness in a dream means strength. However, if one sees himself debilitated or emaciated in the dream, then it means weakness in his faith, failure to properly observe his religious obligations, or it could mean sterility, impotence, or sorrow and distress.... Islamic Dream Interpretation
Are you weak in your dreams or so strong you can manage any physical feat required of you? If you are feeling weak, a medical check-up might be required, but it could also suggest that you feel somehow less than perfect in waking life and unable to accomplish what is required of you. Dreams in which you simply can’t keep up with the action or are outrun by the bogey man are experienced more frequently as you age, and may well be your dreaming mind’s way of helping you adjust to the natural aging process.
If your dreams often feature themes of illness or loss of strength and you are concerned by these, see your doctor by all means; the chances are, however, that you feel unable to meet some internal or external commands in waking life. In your dreams, your unmet goals and high standards are making you ill. But dreams in which you have boundless energy and physical power seem to be telling you that you are capable of far more than you realize. In some cases, as with people who are seriously ill or disabled, dreams of extraordinary energy and good health are compensatory or wish- fulfillment dreams.
If, in your dream, you are weak because you have lost weight, this can suggest concern about body image but it can also indicate possessive, demanding behavior from the people in your life. Conversely, gaining weight and strength may show an excessive need for their approval and a childish need for instant gratification. Finally, if other people are watching either your feats of strength or growing weakness in your dream, this suggests that you are preoccupied with themes of competition. Who or what are you trying to compete with, surpass or vanquish?... The Element Encyclopedia
If you dream of feeling weak, then you are venting out fears of being powerless. Keep in mind that if something is correct for you, then you feel strengthened by it, so your dream is showing you that you are engaging in a relationship or career that is not supportive of your life force. Also, if you are used to playing a dominant role in life, then this dream is helping you to find balance, integration and compassion.... Strangest Dream Explanations
Weakness in a dream means strength. However, of one sees himself debilitated or emaciated, then it means weakness of his faith, failure to perform one’s religious obligations, sterility, impotence, or sorrow and depression.... Islamic Dream Interpretation