1. KNOWSYS Group #8 “Thought”

2. (of ink or a pen) making marks that cannot be removed.
indelible

3. concise and exact use of words in writing or speech.
brevity

4. I had finished my work in a cursory way so I could text my friends.
hasty and therefore not thorough or detailed.
cursory
I had finished my work in a cursory way so I could text my friends.

5. “Weeks elapsed before anyone was charged with the attack."
(of time) pass or go by
elapse
“Weeks elapsed before anyone was charged with the attack."

6. a period of time that is very important in history
epoch

7. Something that seems like it will never end.
interminable

8. A period of 1000 years.
millennium

9. make (typically an undesirable situation ) continue indefinitely.
perpetuate

10. lasting for a long time or longer than expected or usual.
protracted

11. occurring, operating, or done at the same time.
simultaneous