1. engaging attracting or delighting
  2. snorkel diving skin diving with a snorkel
  3. antediluvian of or relating to the period before the biblical flood
  4. engagement ring a ring given and worn as a sign of betrothal
  5. ungratifying not likely to be rewarded
  6. engraving making engraved or etched plates and printing designs from them
  7. unbelieving rejecting any belief in gods
  8. inward-moving moving or directed toward the center or axis, especially when spinning or traveling in a curve
  9. acid-loving thriving in a relatively acidic environment
  10. language teaching teaching people to speak and understand a foreign language
  11. angled loofah loofah of Pakistan; widely cultivated throughout tropics
  12. engagement a meeting arranged in advance
  13. alkaline-loving thriving in a relatively alkaline environment;
  14. engaged having one's attention or mind or energy consumed
  15. unloving not giving or reciprocating affection
  16. cost of living average cost of basic necessities of life
  17. standard of living a level of material comfort in terms of goods and services available to someone or some group
  18. Yang Chen Ning United States physicist (born in China) who collaborated with Tsung Dao Lee in disproving the principle of conservation of parity (born in 1922)
  19. eye-deceiving creating the illusion of seeing reality
  20. unperceiving lacking perception