all important (adjective) critical: urgently important
Sinonime: be in cahoots,
cabal,
cogitate, collogue, collude, confederate, connive,
contrive, cook up, cooperate,
devise, get in bed with, hatch,
intrigue, machinate,
maneuver,
operate,
promote, put out a contract, wangle, wire, work something out
Antonime: trivial, uncritical,
unimportant