To Be in __ With Someone Is to Plot Together
This page is the CodyCross answer for the clue below from Airport, Group 452, Puzzle 5 (Southwest Airlines).
Question is: To Be in __ With Someone Is to Plot Together
and the answer is: CAHOOTS
Word Meaning:
CAHOOTS — Chiefly preceded by in: collaboration or collusion, chiefly for a nefarious reason.
Definitions from Wiktionary.