(idle) curiosity; fancifulness; whimsy; (having) strange tastes
underclasses; poorest segment of the population; the poor
the world; the earth; this world (as opposed to heaven)
water's edge; beach; foreshore
deep sea; depths of the sea; ocean depths
extinction; extermination; eradication; stamping out; wiping out
standing close together; bristling (with)
(rock) crystal; high purity quartz
to launch; to shoot up; (of waves) to dash; to wash up (ashore); to finish (e.g. a theater run, sumo tournament); to close
diamond (mineral, gemstone); diamond; infield; diamond (card suit)
series (of something); range (e.g. of mountains)
to become emaciated; to waste away; to grow thin and worn out
rising tide; incoming tide; flood tide; surge (in popularity, power, etc.); upswing
marine plant; seagrass; seaweed
old person; senior citizen; the aged; the elderly
in fact; as a matter of fact; actually; in reality; to tell the truth
malnutrition; malnourishment
threshold (amount, dose, etc.)
to put on (lower-body clothing, e.g. pants, skirt, footwear); to wear; to affix (a sword to one's hip); (arch.) to affix (a bowstring to a bow)
cane; walking stick; staff; wand