Vocabulary

indispensable; essential

obedient; meek; docile; unaffected

honest; frank; candid; straightforward

impossible

comprehensive; composite; all-round; all-embracing; general; overall

difficult; hard; troublesome; complicated; serious (disease, problem, etc.)

invalid; void; ineffective; unavailable

abrupt; sudden; unexpected

small and medium

strange; weird; odd; curious

organic

long-term

immovable; motionless; firm; unwavering; unshakable; steadfast

metropolitan; managed by the Tokyo Metropolitan Government

fee-charging; paid; not free

fresh

disliking; not wanting; unwilling (to do); reluctant

contrastive

essential; important; crucial; vital; main

unnecessary; unneeded

easy; simple

temporary; transitory; short-lived

uniform; even; across-the-board; equal

first-class; first-rate; top-flight; top-ranking; leading; eminent

fictitious; imaginary; fanciful; fabricated

private; personal

established; existing; accomplished; accepted; completed

a long time (since the last time); first in a long time; it has been a while

strong; intense; severe

rigour; rigor; closeness; compactness; tightly knit

effective; successful

definite; final; decisive; conclusive

some; few; a number of; a little (bit)

automatic

loose; slack

minimum; lowest; minimal; least

technical; technological

extravagant; lavish; opulent; luxurious; magnificent; splendid

overbearing; coercive; pushy; forcible; high-handed

poor (at); weak (in); not very good (at)