with a crack (e.g. branches, knuckles)
moving forward (e.g. of a vehicle); onward movement; progress (of work, activities, etc.); advance; progression (of a disease, global warming, etc.); progression (e.g. chord progression)
agreement; accord; correspondence; union; unity; cooperation
to lose focus; to let one's mind wander; to relax one's attention
slope; slanting surface; bevel
to run down (stairs, etc.)
largish; biggish; on the large side; slightly larger; a little larger
river; stream; River; the ... river
to stream; to flow (liquid, time, etc.); to be washed away; to be carried; to drift; to float (e.g. clouds); to sweep (e.g. rumour, fire)
valley; ravine; cleavage (of breasts); part or place that has been left behind; blind spot
to flow into; to pour into; to stream into
along the river; riverside
to descend; to go down; to be handed down (of an order, judgment, etc.); to pass (of time); to surrender; to capitulate; to be less than
to descend (e.g. a mountain); to go down; to alight (e.g. from bus); to get off; to step down; to retire; to be granted
downhill; downward slope; descent; decline; waning; ebb
main cause; primary factor
cliff; precipice; precipice; brink of a dangerous situation
beyond expectations; beyond what one expected; not foreseen; exceeding assumptions
to catch up (with); to draw level; to pull even; to be compensated; to make up for one's losses
to stick (into); to pierce; to enter at full speed; to hit (e.g. the catcher's mitt) at speed
explosion; detonation; blast; outburst (of emotion); explosion (e.g. of anger); eruption (e.g. of discontent)
weathering; fading (of memories); efflorescence
brittle; fragile; weak; tender-hearted; sentimental; easily moved
to collapse; to crumble; to get out of shape; to lose one's shape; to break down; to be thrown into disarray; to crash (stock market)
mass of rock; rock lump; block
to surge like an avalanche; to flood; to swarm; to stampede
to rain incessantly; to downpour
paper-thin (difference); razor-thin; very slight
defensive body movement (judo, kendo, etc.)
to sew; to stitch; to weave one's way (e.g. through a crowd)
superhuman feat; consummate skill
withdrawal; secession; separation; breakaway
that kind of; of the sort; of the kind; such
technical; technological; practical
space; room; space (between letters, words, etc.); space (piece of type); (outer) space
to screw in; to thrust into; to push into; to protest (and seek rectification); to complain
top and bottom; high and low; going up and down; rising and falling; going and coming back; upper and lower classes; ruler and ruled
collapse; break; cave-in; market decline; market crash
thick; deep; kind; cordial; abundant
to arise; to break out; to well up; to burst
brave; valiant; gallant; stirring; vigorous; rousing
cry (of an animal); call; chirp; song; caw; roar