1. Without variation or change, in every case
   "constantly kind and gracious"
   - invariably, always 
2. Without interruption
   "the world is constantly changing"
   - always, forever, perpetually, incessantly, unremittingly

See also: constant

• casually
• casualness
• casuals
• casualty
• Casualty Care Research Center
• Casuaridae
• Casuariiformes
• casuarina
• Casuarina equisetfolia
• Casuarinaceae
• Casuarinales
• Casuarius
• casuist
• casuistic
• casuistical
• casuistry
• casus belli
• cat
• cat and mouse
• cat and rat
• cat bear
• cat box
• cat burglar
• cat cracker
• cat fancier