Adjective

(er)

Serious, organized, and professional; sober

* 1915 , ":

*:He wondered what had become of the boys who were his companions: they were nearly thirty now; some would be dead, but others were married and had children; they were soldiers and parsons, doctors, lawyers; they were staid men who were beginning to put youth behind them.

Always fixed in the same location; stationary

Adjective

(en adjective)

Unchanged through time or space; permanent.

Consistently recurring over time; persistent.

* {{quote-magazine, date=2013-11-16, volume=409, issue=8862, magazine=(The Economist), author=Schumpeter

, title= The mindfulness business , passage=The constant pinging of electronic devices is driving many people to the end of their tether. Electronic devices not only overload the senses and invade leisure time. They feed on themselves: the more people tweet the more they are rewarded with followers and retweets.}}

Steady in purpose, action, feeling, etc.

* Sir (Philip Sidney) (1554-1586)

Both loving one fair maid, they yet remained constant friends.

* (William Shakespeare) (1564-1616)

I am constant to my purposes.

* (John Dryden) (1631-1700)

His gifts, his constant courtship, nothing gained.

Firm; solid; not fluid.

* (Robert Boyle) (1627-1691)

Ifyou mix them, you may turn these two fluid liquors into a constant body.

(obsolete) Consistent; logical.

* Shakespeare, Twelfth Night IV.ii

I am no more mad than you are: make the trial of it with any constant question.