missing link

noun
|Updated on: 7 Jun 2018

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 in a Sentence

  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

Recent Examples of missing link from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'missing link.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of missing link

1851

in the meaning defined at sense 1

See Words from the same year
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MISSING LINK Defined for English Language Learners

missing link

Definition of missing link for English Language Learners

  • : something that you do not have and that you need to complete a series or to solve a problem

  • the missing link : a kind of animal that was in some ways like an ape and in some ways like a human being and that is thought to have existed in the past but has not been discovered


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