Adjective

(en-adj)

Full of liveliness and activity; characterized by quickness of motion or action; lively; spirited; quick.

We took a brisk walk yesterday.

* {{quote-news, year=2012

, date=December 29 , author=Paul Doyle , title=Arsenal's Theo Walcott hits hat-trick in thrilling victory over Newcastle , work=The Guardian citation , page= , passage=Ba, who has been linked with a January move to Arsenal, should have rewarded their brisk start with the opening goal in the 16th minute. }}

Full of spirit of life; effervescing, as liquors; sparkling; as, brisk cider.

Stimulating or invigorating.

This morning was a brisk fall day. It wasn't cold enough for frost, but you wanted to keep moving.

Abrupt, curt in one's manner or in relation to others.

* 1919 ,

Her manner was brisk, and her good-breeding scarcely concealed her conviction that if you were not a soldier you might as well be a counter-jumper.

Adjective

(en-adj)

Habitually idle and lazy; slothful; dull; inactive; as, a sluggish man.

And the sluggish land slumbers in utter neglect . --

Slow; having little motion; as, a sluggish stream.

Having no power to move one's self or itself; inert.

Matter, being impotent, sluggish , and inactive, hath no power to stir or move itself . -- Woodward

Characteristic of a sluggard; dull; stupid; tame; simple.

Exhibiting economic decline, inactivity, slow or subnormal growth.

Inflation has been rising despite sluggish economy.