Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for in cahootshomogeneous, unified, concerted, undivided, linked, unanimous, cooperative, integrated, consolidated, incorporated, allied, conjugate, affiliated, pooled, associated, agreed, banded, assembled, cognate, collective
Online Etymology Dictionary, © 2010 Douglas Harper
see in league with.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.