group; crowd; flock; herd; bevy; school
action; conduct; behaviour; behavior; mobilization; mobilisation
shellfish; seashell; shell
to eat; to live on (e.g. a salary); to live off; to subsist on
bottom of the ocean; seafloor; seabed; undersea; submarine
wonderful; marvelous; strange; strangely enough; oddly enough; for some reason
various; a variety of; all sorts of; many (different)
living thing; living creature; animal; life
to meet (by chance); to come across; to meet (e.g. of rivers, highways, etc.); to emerge and engage (an enemy)
I, myself; one-self; by one-self; even I; even one
assumption; supposition; hypothesis; supposition
the world; society; sphere; circle; world-renowned; world-famous
sleep; sleeping; inactivity; death
to wake up; to awake; to awaken to (instinct, ability, perception, etc.); to become aware of; to come to one's senses
sometimes; occasionally; at times; seasonal; of the season; appropriate (for the season or occasion)
to shove in; to push in; to force in
to hurt one's feelings; to rub someone the wrong way
too; also; still; as before; even so; either way
thereupon; shortly thereafter
chemical symbol (e.g. H for hydrogen); element symbol
to be helpful; to be useful
futility; waste; uselessness; pointlessness; idleness
spare time; free time; time (it takes to do something); time required; time off; leave; dismissal
machine; mechanism; instrument; appliance; apparatus
unnecessary; not needed; not necessary
to spend; to expend; to waste; to squander; to devote
full of (e.g. mistakes); riddled with; covered all over with (blood, mud, etc.)
spicy; hot; salty; harsh (criticism); severe (punishment); painful
emotion; feeling; feelings; sentiment
to grow up; to become an adult; to become big; to grow in size
long (distance, length); long (time); protracted; prolonged
long ago; a long time ago; already
to sleep; to die; to rest (in peace); to lie idle (e.g. of resources); to lie unused; (arch.) to close one's eyes
selfishness; egotism; egoism; (being) self-centered; without consulting; (doing) as one pleases
all; entire; whole; altogether
one more time; once more; once again
the best one can do; one's best effort; with all one's might; to the best of one's ability; as hard as possible
duty; obligation; responsibility