personal delivery; handing over in person
essential; important; crucial; vital; main
(United States of) America; United States; US; America (land mass); the Americas
ageing; aging; senile deterioration
to accompany; to go hand in hand with; to be consequent upon; to be accompanied by; to bring with; to take with
destructive; catastrophic; disastrous; ruinous; devastating
chain; series; connection; linkage
occurrence; incidence; generation (of power, heat, etc.); production; ontogeny; development
keeping in check; holding back; deterrence; restraint; suppression
to concern; to be related
verification; confirmation; on-site inspection (by a judge, investigator, etc.) to gather physical evidence; verification
sample; example; specimen; display model (e.g. plastic food models used by restaurants)
25th day of the month; 25 days
Islamic State; IS; Daesh; information separator; delimiter
return (home); repatriation; feedback (in an electronic circuit, biological system, etc.)
International Space Station
weightlessness; zero gravity
vacuum; absolute void; complete vacuity
(if) by some chance; by some possibility; in the unlikely event that; (unlikely event of) emergency; the worst(-case scenario)
(suffering) damage; injury; harm
unfortunately; regrettably
end; tip; extremities; rank and file; part of an organisation furthest from the centre
one school; one sect; one denomination; one party; one faction; one group
depending on the situation; depending on circumstances
to resolve; to make up one's mind; to decide
question of where responsibility lies; issue of where liability lies; question of who is responsible
soon; before long; shortly; close (by); near; nearby
towards (a destination); for the purpose of; with the goal of; targeting (a group, a demographic)
to launch; to shoot up; (of waves) to dash; to wash up (ashore); to finish (e.g. a theater run, sumo tournament); to close
manned; occupied; piloted
under development; in development
demonstration; verification; substantiation; actual proof
unseasonable; out-of-season
research project (e.g. at school); independent research
unheard-of; unprecedented; unparalleled in history (unparallelled); record-breaking
ship; boat; tank; tub; counter for boat-shaped containers (e.g. of sashimi)
peace; tranquility; tranquillity; (arch.) happy-go-lucky
on the sea; on the ocean; offshore
landing on water; hitting the water; splashdown