She was an observant poet.
Observant:Those of many religious faiths are observant of the Sabbath and other holy days.Observance:Jews may show respect for God through observance of Shabbat.
"This is a ferociously short sentence."
She was very observant and noticed the small details that others often overlooked.
She was always observant of the little details that others tended to overlook.
Yes, the adjective observant usually means keen-eyed or perceptive.
to cut short
The crime spree was short-lived.
Use punchy, single-syllable words, and keep the sentence short.
Aquarius who?
You're is short for you are.
Religiously observant Jews will only eat kosher food.