doubt; question; uncertainty; skepticism; scepticism; suspicion
state; condition; situation; appearance; circumstances
sedimentation; subsidence; precipitation; sinking; settling; submerging
green tract of land; green space
to continue; to keep up; to keep on
by the way; incidentally; even if; no matter (who, what, when, where, why, how)
operation; management; handling; manipulating (to one's benefit); manipulation; influencing
unheard-of; unprecedented; unparalleled in history (unparallelled); record-breaking
somewhere; anywhere; in some respects
action; conduct; behaviour; behavior; mobilization; mobilisation
monitoring; watching; observation; surveillance; guarding; supervision
suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally
not worth considering; out of the question
monotony; monotone; dullness; monotone; monotonic
to continue; to last; to continue (without a break); to be unbroken; to occur again and again; to lead to; to connect to
daytime; during the day; time from sunrise until sunset; diurnal period
definitely; absolutely; absolute; unconditional; absoluteness
to rise to the surface; to come to the front; to emerge (e.g. from obscurity); to stand out (e.g. against a dark background)
electrically powered; electric
sometimes; occasionally; at times; seasonal; of the season; appropriate (for the season or occasion)
with a whack; with a thump; openmouthed; with one's mouth wide-open; vacantly; blankly
enough; sufficient; plenty; sufficiently; fully; thoroughly
because ...; for ...; the reason being ...; as for ...; when it comes to ...; regarding ...
joy; delight; rapture; pleasure; gratification; rejoicing
bravery; courage; heroism
surroundings; environs; circumference
total darkness; pitch dark; bleak future; poor prospects
on the sea; on the ocean; offshore
lighthouse; old-fashioned interior light fixture comprising a wooden pole with an oil-filled dish and a wick atop it
silver powder; white sand
silver (Ag); silver coin; money; silver medal; silver colour; silver color; bank
star (usu. not including the Sun); planet (usu. not including Earth); star (glyph, symbol, shape); star (actor, player, etc.); small dot; spot; star point (in go)