In linguistics, a grouping at a higher level than a family. Where a family can be reconstructed with reasonable confidence, and there is little doubt of the common descent of its members, a macrofamily is invoked when the constituent languages or families are probably but not unquestionably related.

For example, the Turkic family of languages, the Manchu-Tungusic languages, and Mongolian can probably be related as part of a larger group called Altaic. The Siouan and Iroquoian families are generally held to belong together in a Macro-Siouan (macro)family. Other macrofamilies in America named with the Macro- prefix are Macro-Cariban and Macro-Gê.

At an even further level of remove, a very wide-encompassing and tentative grouping of families is called a phylum.

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