Noun

(anxieties)

An unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

*{{quote-book, year=1907, author=

, title=The Dust of Conflict , chapter=4 citation , passage=The inquest on keeper Davidson was duly held, and at the commencement seemed likely to cause Tony Palliser less anxiety than he had expected.}}

* 2005 , .

But the other, because he's been immersed in arguments, gives the appearance of harbouring considerable anxiety and suspicion that he's ignorant of those matters he presents himself to others as an expert on.

An uneasy or distressing desire (for something).

I was anxious to get into the office before Henderson called from New York.

(pathology) A state of restlessness and agitation, often accompanied by a distressing sense of oppression or tightness in the stomach.

Noun

(en noun)

The work involved in performing an activity; exertion.

* , chapter=23

, title= The Mirror and the Lamp , passage=The slightest effort made the patient cough. He would stand leaning on a stick and holding a hand to his side, and when the paroxysm had passed it left him shaking.}}

* {{quote-news, year=2011, date=June 22, author=Press Association, work=The Guardian

, title= Manchester United offer Park Ji-sung a new two-year contract , passage=The 30-year-old South Korean, who joined United in 2005, retired from international duty after last season's Asian Cup in an effort to prolong his club}}

* {{quote-magazine, year=2013, month=July-August, author=(Henry Petroski)

, title= Geothermal Energy , volume=101, issue=4, magazine=(American Scientist) , passage=Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame.}}

An endeavour.

* {{quote-magazine, date=2012-03, author=William E. Carter, Merri Sue Carter

, volume=100, issue=2, page=87, magazine=(American Scientist) , title= The British Longitude Act Reconsidered , passage=But was it responsible governance to pass the Longitude Act without other efforts to protect British seamen? Or might it have been subterfuge—a disingenuous attempt to shift attention away from the realities of their life at sea.}}

A force acting on a body in the direction of its motion.

(Rankine)