Something that is intricate has many interrelated parts or facets. Such involvement or entanglement can be the source of wonder or appreciation, as in the case of intricate patterns in nature or art, or frustration, as in the case of an argument that is so intricate it is difficult to understand. Networks, webs, and systems are interrelated by definition; in describing complex entities such as these, intricate draws special attention to their elaborate nature.

Posthaste, also spelled post-haste, is an adverb that means “with the greatest possible speed or promptness.” It works in a sentence similar to immediately or ASAP. When the term entered English, it referred to speed like that of someone traveling post, or riding express to deliver mail. Nowadays you can use it to command speedy movement or action, “Leave the premise posthaste!” or to describe it, “She came to her friend’s aid posthaste.”

Something that is boring is dull and uninteresting—maybe even nap inducing. Something that is humdrum is especially boring for its lack of variety (unlike your synonym-rich vocabulary!). Fun though it may be to say, humdrum emphasizes monotony and the drone of the everyday. This dreary adjective commonly describes recurring activities or routines, or even the monotony of life itself.