intricacies
Intricacies (noun) means the small, complicated details of something that make it hard to understand or do well. Example: “He spent years learning the intricacies of the tax code.”
How to use intricacies
Learner’s notesIn plain EnglishThe fiddly little details that make something complicated.
Neutral to slightly formal. Almost always used in the plural.
The singular intricacy exists but is rare; in practice this word lives in the phrase the intricacies of.
Trace the full origin ↓Fill the gap
Can you complete this real example?
He spent years learning the _____ of the tax code.
Etymology
From Latin intricare, "to entangle", from tricae, meaning trifles or perplexities.