1. Erect perennial with stout stems and yellow-green flowers; southern Canada and southeastern United States
   - yellow giant hyssop

Type of: giant hyssop

• defilade
• defile
• defiled
• defilement
• defiler
• definable
• define
• defined
• definer
• defining
• definite
• definite article
• definite integral
• definite quantity
• definitely
• definiteness
• definition
• definitive
• definitive host
• definitively
• definitiveness
• definitude
• deflagrable
• deflagrate
• deflagration