Posted in Business & Finance, Government & Military, Internet Slang, Pop Culture DADT stands for Don’t Ask, Don’t Tell (US DoD policy) DADT stands for Dans l’Air du Temps (French interior decorating company) DADT stands for Département Aménagement Durable des Territoires (French: Sustainable Regional Development Planning Department) DADT stands for Durability and Damage Tolerance DADT stands for Downtown Arena Design Team (sports design; Kansas City, MO) DADT stands for Divided Attention Driving Test DADT stands for Deputy Assistant Director Transport (UK)