Synonyms for missing link

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR MISSING LINK

How, then, is the greater length of the plexus to be covered by a single "missing link?"

I never told any mortal that I had “found the missing link!”

I said that “if” the stone be Neolithic, it “may” be the missing link in my argument.

In these men the advocates of Darwinism might well behold the missing link.

This child is a candidate for the vacant place of Missing Link.

"Never until the Missing Link is discovered," replied the Proprietor.

The frock she had worn when she was lost proved the missing link.

And that missing link, if anywhere, is to be looked for in the Comacines.

We may say she has been counted by him as a sort of missing link.

The one missing link in the chain of evidence was soon supplied.