1. drop behind to lag or linger behind
  2. reprehend express strong disapproval of
  3. prepubescent at the age immediately before puberty
  4. drop open open involuntarily
  5. drop biscuit biscuit made from dough with enough milk that it can be dropped from a spoon
  6. behind in or to or toward the rear
  7. fall behind hang or fall in movement, progress, development, etc.
  8. drop a line communicate (with) in writing
  9. dropping coming down freely under the influence of gravity
  10. get behind to lag or linger behind
  11. drop dead pass from physical life and lose all bodily attributes and functions necessary to sustain life
  12. drop-dead extremely
  13. drop line a headline with the top line flush left and succeeding lines indented to the right
  14. drip pan pan for catching drippings under roasting meat
  15. drop in visit informally and spontaneously
  16. drop-seed a grass of the genus Sporobolus
  17. dropline a headline with the top line flush left and succeeding lines indented to the right
  18. dropseed a grass of the genus Sporobolus
  19. leave behind depart and not take along
  20. drop by the wayside give up in the face of defeat of lacking hope; admit defeat

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