Across
- 4. safety, security, defense, safeguarding
- 5. digit, figure, number, symbol
- 6. resolve, decipher, unravel, figure out
- 8. rehearsal, drill, exercise, training
- 9. answer, reply, react, acknowledge
- 12. dot, full stop, punctuation mark, end
- 13. quadrilateral, rectangle, geometric shape, block
- 16. wireless, broadcast, transmitter, receiver
- 17. eliminate, take away, extract, withdraw
- 19. scientific discipline, study, knowledge, field
- 20. dimension, measurement, magnitude, extent
Down
- 1. rain shower, downpour, rainfall, precipitation
- 2. passage, section, segment, portion
- 3. greens, mixed greens, tossed salad, vegetable salad
- 7. numerous, various, multiple, numerous
- 8. enjoyment, delight, satisfaction, happiness
- 10. align, adjust, correct, straighten out
- 11. depot, terminal, stop, platform
- 14. procedure, method, system, technique
- 15. obtain, get, acquire, collect
- 18. should, must, supposed to, obligated to