1. puzzle over try to solve
  2. price level an index that traces the relative changes in the price of an individual good (or a market basket of goods) over time
  3. fuel level the amount of fuel remaining
  4. pressure level the force applied to a unit area of surface
  5. middle-level intermediate in rank or position
  6. noise level the amplitude level of the undesired background noise
  7. sea level level of the ocean's surface
  8. biosafety level the level of safety from exposure to infectious agents
  9. signal level the amplitude level of the desired signal
  10. plumb level a carpenter's level with a plumb line at right angles to it
  11. poverty level a level of personal income defining the state of poverty
  12. support level (stock market) the price at which a certain security becomes attractive to investors
  13. bible leaf tansy-scented Eurasian perennial herb with buttonlike yellow flowers; used as potherb or salad green and sometimes for potpourri or tea or flavoring; sometimes placed in genus Chrysanthemum
  14. low-level at a low level in rank or importance
  15. sea-level lying below the normal level
  16. spirit level indicator that establishes the horizontal when a bubble is centered in a tube of liquid
  17. muzzle loader an obsolete firearm that was loaded through the muzzle
  18. puzzlement confusion resulting from failure to understand
  19. multilevel of a building having more than one level
  20. Dumpy level a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level