1. Acting together in secret toward a fraudulent or illegal end
   - conniving

See also: collude, covert

• chrome alum
• chrome green
• chrome red
• chrome yellow
• chrome-nickel steel
• chrome-tungsten steel
• chromesthesia
• chromic
• chromic acid
• chromite
• chromium
• chromium steel
• chromium-plate
• chromo
• chromoblastomycosis
• chromogen
• chromogenic
• chromolithograph
• chromolithography
• chromophore
• chromoplast
• chromosomal
• chromosomal aberration
• chromosomal anomaly
• chromosomal mutation