Noun

(en noun)

A distressful or dangerous situation.

A difficulty, problem, condition, or action contributing to such a situation.

* (John Milton)

Lest the fiend some new trouble raise.

* (William Shakespeare)

Foul whisperings are abroad; unnatural deeds / Do breed unnatural troubles .

A violent occurrence or event.

* , chapter=7

, title= Mr. Pratt's Patients , passage=“I don't know how you and the ‘head,’ as you call him, will get on, but I do know that if you call my duds a ‘livery’ again there'll be trouble . It's bad enough to go around togged out like a life saver on a drill day, but I can stand that 'cause I'm paid for it. What I won't stand is to have them togs called a livery. […]”}}

Efforts taken or expended, typically beyond the normal required.

* Bryant

She never took the trouble to close them.

*1881 , :

*:Indeed, by the report of our elders, this nervous preparation for old age is only trouble thrown away.

A malfunction.

Liability to punishment; conflict with authority.

(mining) A fault or interruption in a stratum.

Noun

(en noun)

(rare) The physical act of seizing]] or [[take hold, taking hold of; seizure.

* 2006 , Phil Senter, "Comparison of Forelimb Function between Deinonychus'' and ''Babiraptor'' (Theropoda: Dromaeosauridea)", ''Journal of Vertebrate Paleontology, vol. 26, no. 4 (Dec.), p. 905:

The wing would have been a severe obstruction to apprehension of an object on the ground.

(legal) The act of seizing or taking by legal process; arrest.

* 1855 , , North and South , ch. 37:

The warrant had been issued for his apprehension on the charge of rioting.

The act of grasping with the intellect; the contemplation of things, without affirming, denying, or passing any judgment; intellection; perception.

* 1815 , , "On Life," in A Defence of Poetry and Other Essays (1840 edition):

We live on, and in living we lose the apprehension of life.

Opinion; conception; sentiment; idea.

* 1901 , , Penelope's English Experiences , ch. 8:

We think we get a kind of vague apprehension of what London means from the top of a 'bus better than anywhere else.

The faculty by which ideas are conceived or by which perceptions are grasped; understanding.

* 1854 , , Hard Times , ch. 7:

Strangers of limited information and dull apprehension were sometimes observed not to know what a Powler was.

Anticipation, mostly of things unfavorable; dread or fear at the prospect of some future ill.

* 1846 , , Typee: A Peep at Polynesian Life , ch. 32:

Every circumstance which evinced the savage nature of the beings at whose mercy I was, augmented the fearful apprehensions that consumed me.

(Webster 1913)