Benedek thingy

3. A ghost.
5. A billion years.
9. A border or margin.
10. Something or someone that one vehemently dislikes.
11. Careful and persistent work or effort.
13. Loyalty or commitment to a superior or to a group or cause.
14. The mental action or process of acquiring knowledge and understanding through thought, experience, and the senses.
16. 1e+12 gigabytes
17. A person or thing that is likely to cause harm, a threat or danger.
19. The force that attracts a body towards the centre of the earth.
20. A moon of Mars

1. A long and eventful or adventurous journey or experience.
2. A situation in which further action or progress by opposing or competing parties seems impossible.
4. {10,100 [1 [1 \ 1 \ 2 ¬ 2] 1 [2 \ 2 ¬ 2] 2] 2}
6. The condition or quality of being completely forgotten.
7. A state of being pleasantly lost in one's thoughts.
8. Extremely delicate and light in a way that seems not to be of this world.
12. A large-scale and violent event in the natural world.
15. Of or connected with the eyes or vision.
18. Clever or cunning devices or expedients, especially as used to trick or deceive others.