intricate
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/icons/point.icon COMPLEX, COMPLICATED, INTRICATE, INVOLVED, KNOTTY mean having confusingly interrelated parts.
COMPLEX suggests the unavoidable result of a necessary combining and does not imply a fault or failure.
e.g. a complex recipe
COMPLICATED applies to what offers great difficulty in understanding, solving, or explaining.
e.g. complicated legal procedures
INTRICATE suggests such interlacing of parts as to make it nearly impossible to follow or grasp them separately.
e.g. an intricate web of deceit
INVOLVED implies extreme complication and often disorder.
e.g. a rambling, involved explanation
KNOTTY suggests complication and entanglement that make solution or understanding improbable.
e.g. knotty ethical questions
adjective
very complicated or detailed:
〈模様･形などが〉込み入った, 入り組んだ, 複雑な; 〈話･構造などが〉難解な
e.g. an intricate network of canals.
ORIGIN
late Middle English: from Latin intricat- ‘entangled’, from the verb intricare, from in- ‘into’ + tricae ‘tricks, perplexities’.