1. irrelevant having no bearing on or connection with the subject at issue
  2. arc-boutant a buttress that stands apart from the main structure and connected to it by an arch
  3. irritant something that causes discomfort and annoyance
  4. Ireland an island comprising the republic of Ireland and Northern Ireland
  5. umbrella tent a small tent with a single supporting pole and radiating metal ribs
  6. oriel window a projecting bay window corbeled or cantilevered out from a wall
  7. whirl around fly around
  8. reluctant not eager
  9. agglutinate clump together; as of bacteria, red blood cells, etc.
  10. dilutant a diluting agent
  11. reactant a chemical substance present at the start of a process
  12. wall tent a canvas tent with four vertical walls
  13. attestant someone who affirms or vouches for the correctness or truth or genuineness of something
  14. pollutant waste matter that contaminates the water, air, or soil
  15. resultant following or accompanying as a consequence
  16. Argonauta type genus of the family Argonautidae: paper nautilus
  17. adjutant an officer who acts as an assistant to a more senior officer
  18. militant engaged in war
  19. blatant without any attempt at concealment; completely obvious
  20. whirlwind a column of air spinning around itself

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