hollow; low ground; basin; pit; dip; depression
indescribable; defying description
resistance (e.g. to antibiotics); tolerance (e.g. drug tolerance)
floating; buoyancy; fishing float; bobber; buoy; lifebuoy
to become pale; to turn pale
cave; cavern; den; grotto
to get strong; to gain strength
waterway; canal; channel; swimming pool lane
foot of a mountain; base of a mountain
combination; union; binding; bond
water vein; underground stream of water; waterway
to detain; to check; to restrain
roundness; rotundity; mellowness; maturity
vague; fuzzy; elusive; slippery
clasp; latch; catch; fastener
to drain; to flow (unobstructed); to sell well; to be in good demand; to exit the stage; to remove (a prop) from the stage
it doesn't matter what; anything is fine
attached; belonging (to); included; enclosed; affiliated; annexed
to tumble down; to roll down
ancient and modern times; all ages; past and present
cleaning; sweeping; dusting; scrubbing
to dry up completely; to become stale
to delineate; to draw; to express; to imagine
blue-green; turquoise; aqua; (arch.) spirogyra; (arch.) algae forming pond scum
pilot light; spark; live coals (for firelighting)
torch (made of pine, bamboo, reed, etc.); flambeau; torchlight
open-air fire (e.g. for garden refuse); bonfire; open fire (e.g. in a kitchen)