(idiomatic) Very attentive.

(US) For every functional purpose; in every practical sense; in every important respect

(US, proscribed, nonstandard) Eggcorn of for all intents and purposes.

(idiomatic, law) The copyright holder of a creative work reserves all copyright-related rights, typically including the right to publish the work, to make derivative works of it, to distribute it, to make profit from it, to license a number of these rights to other people, and to forbid these uses by any unauthorized people, thus being entitled to take legal action against infringement.

Eggcorn of for all intents and purposes.

(dated) rubbish, humbug

(idiomatic) Full of big talk but lacking action, power, or substance; pretentious. / (idiomatic) Often making cutting remarks, but having a gentle personality underneath.

Feeling self-satisfied.

(dialectal, Britain, Ireland) A traditional folk or country song.

(idiomatic) Intensely, vigorously, with as much effort as one can supply.