Here are the possible solutions for completed with one stroke clue
Answer
Clue
Relevancy
swim
Clue
Stroke, stroke, stroke...
aced
Clue
Completed with one stroke
Completed with a stroke
Definition
ACE, to serve an unreturnable shot e.g. in tennis
pet
Clue
Stroke lovingly, or the object of a loving stroke
Definition
to caress with the hand
dag
Clue
Former UN leader Hammarskjöld [Note: The circled letters comprise a three-word instruction that, when applied to one square in the completed grid, reveals a group who might follow a code of silence]
Definition
to remove clotted tufts of wool from a sheep
grad
Clue
One who completed a major, say
Definition
(colloquial) a graduate
ret
Clue
With one's career completed (Abbr.)
Definition
to expose to moisture
aarau
Clue
Swiss city where Albert Einstein completed his secondary education
