missing link

missing link

noun

Definition of MISSING LINK

1

: an absent member needed to complete a series or resolve a problem

2

a : a hypothetical intermediate evolutionary form between humans and their presumed simian progenitors b : a hypothetical intermediate evolutionary form between one animal species or group and its presumed ancestors <a missing link between reptiles and birds>

Examples of MISSING LINK

1. Police are hopeful that the new evidence will provide the missing links needed to solve the crime.
2. scientists searching for the missing link

First Known Use of MISSING LINK

1851

Rhymes with MISSING LINK

bobolink, countersink, distelfink, doublethink, hyperlink, interlink, in the pink, kitchen-sink, on the blink, rinky-dink, salmon pink, shocking pink