1. diphthong a sound that glides between two vowels in a single syllable
  2. tottering unsteady in gait as from infirmity or old age
  3. do-nothing person who does no work
  4. teething the eruption through the gums of baby teeth
  5. tatting the act or art of making handmade lace
  6. toasting cooking to a brown crispiness over a fire or on a grill
  7. thwarting an act of hindering someone's plans or efforts
  8. doting extravagantly or foolishly loving and indulgent
  9. two-timing not faithful to a spouse or lover
  10. get the hang be or become completely proficient or skilled in
  11. catatonic characterized by unresponsiveness or lack of movement
  12. nothing in no respect; to no degree
  13. soothing affording physical relief
  14. studying reading carefully with intent to remember
  15. tectonic pertaining to the structure or movement of the earth's crust
  16. dithering the process of representing intermediate colors by patterns of tiny colored dots that simulate the desired color
  17. radiating diverging from a common point
  18. tightening the act of making something tighter
  19. editing putting something into acceptable form
  20. dating use of chemical analysis to estimate the age of geological specimens

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