Adjective

(en adjective)

Without limit; forever, or until further notice; not definite.

Vague or unclear.

Undecided or uncertain.

(mathematics) An integral without specified limits.

Adjective

(en adjective)

Sagacious in adapting means to ends; circumspect in action, or in determining any line of conduct; careful, discreet, sensible; -- opposed to rash; directed by prudence or wise forethought; evincing prudence;

* {{quote-book

, year=1864 , author=Jules Verne , title=A Journey to the Center of the Earth , chapter=30 citation , passage=He did not hesitate what to do. It would be prudent to continue on to Omaha, for it would be dangerous to return to the train, which the Indians might still be engaged in pillaging.}}

* Moses established a grave and prudent law . --Milton.

Practically wise, judicious, shrewd

''His prudent career moves reliably brought him to the top

Frugal; economical; not extravagant;

Only prudent expenditure may provide quality within a restrictive budget