1. At all times; all the time and on every occasion
   "I will always be there to help you"; "always arrives on time"; "there is always some pollution in the air";
   - ever, e'er
    
2. Forever; throughout all time
   "I will always love you"; "we will always be friends"; "I shall treasure it always"
    
3. Without variation or change, in every case
   "he always arrives on time";
   - constantly, invariably
    
4. At all times or very frequently; throughout time or repeatedly without apparent end
   "the world is always changing";
   - constantly, forever, perpetually, incessantly, unremittingly
    
5. At any time or in any event
   "you can always resign if you don't like it"; "you could always take a day off"

Encyclopedia: Always, Then, & Now