If brief is used as an adjective, other words for it would include 'short' or 'succinct'. If used as a noun another word for it might be 'instructions'.
The plural of the noun brief (a short report) is briefs.
The spelling "briefs" referring to underwear always uses the plural verb whether there is one pair of briefs or more than one.
Brief is the same in the noun and verb form.
I think another word for a brief vacation on a weekend is 'weekend holidays'.
showers
The word "brief", depending on context, can be either a verb, a noun, or an adjective.
short
Blip
interference
I think another word for a brief vacation on a weekend is 'weekend holidays'.
tryst is a word for a short romance on the sly.
"Hiatus" is one of my favorites.
showers
Fling.
short pithy unforthcoming non-expansive snippy brief
Short is a five letter word. Another is brief.
Work bag, brief case, work carrier.
Some choices: ad, advertisement, spot, piece, note, column, brief, plug
The sentence was brief.He looked at her for a brief moment.
Your question was brief.