DICTIONARY
Thistle - To see thistle in your dream represents your need to feel protected. You are putting up an emotional barrier around you and as a result, pushing the people away.
Thong - To see or wear a thong in your dream represents satisfaction with your body image and your sexuality. Alternatively, the dream denotes your readiness to expose or reveal an aspect of yourself that was previously private. You are opening yourself up to others. If your thong is showing from under your pants, then it denotes a lack of respect or taste. You are committing some indiscretion. *Please See Dream Mo0ds' interpretation for Underwear.
Thorns - To see thorns in your dream suggest that there is a prickly situation that you need to overcome. Thorns also symbolize past trauma or some physical suffering. You may be putting up your defenses. Also consider if someone is being a pain or a "thorn by your side."
Thread - To see thread in your dream symbolizes your life path and destiny. It also represents a connection to your thoughts and ideas. Consider also the color of the thread and look up the significance in Dream Moods' Dream Themes: Colors. meanings by DreamMoods.com
Threaten - To dream that you threaten someone suggests that you need to assert and stand up for yourself in your waking life. Don't let anyone boss you around. To dream that you are being threatened indicates that you have internalized some fear. You are feeling inadequate or oppressed.
Threesome - To dream that you are involved in a threesome indicates that there is a missing component in your sex life. Pay attention to the gender of the participants in the threesome. If mostly female, then the dream implies that the missing component may pertain to some emotional aspect of sex. If mostly male, then the dream implies that some physical aspect of sex is lacking. Note that the dream does not necessarily mean that you want a threesome in your waking life.
Threshing - To dream that you are threshing grain signifies satisfaction in your professional and personal relationships.
Threshold - To dream that you are crossing or being carried over or a threshold symbolizes a new relationship, fresh beginnings or possible marriage. You are entering a new phase of your life.
Thrift Shop - To dream that you are at a thrift shop suggests that there are things from your past experiences that you can still learn from. Don't underestimate something that is seemingly worthless. The thrift shop may also symbolize ideas or skills that you have forgotten and can draw from in a current situation.
Throat - To see your throat in your dream symbolizes the ability to express yourself and communicate your thoughts and ideas. To dream that you have a sore throat or have throat problems suggest that you are having problems saying what you really think. You are having difficulties experiencing how you feel and conveying your thoughts. You may feel threatened or vulnerable when you express yourself. Alternatively, your dream may be telling you that you need to swallow your pride. Dreaming of having a string attached to something caught in your throat represents something that you regret saying and wished that you can somehow take it back. If you dream that someone's throat is slit, then it forewarns that this person is unable to keep a secret.