upward compatible; forward compatible; compatible with input or components intended for higher tier or later systems, versions, etc.; downward compatible; backward compatible; compatible with input or components intended for lower tier or older systems, versions, etc.
solid (body); solid matter; solid-state
even if; no matter (what); if; though; although; supposing
gas; vapour; vapor; gaseous body
out of the question; outrageous; impossible; irrelevant; not pertinent
beyond that point; after that
large; big; great; prominent; -sized; as big as; university
goal; target; aim; mark; sign; landmark
cast; mold; mould; forming; shaping; fashioning
custom; practice; said; aforementioned; instance; example
going to and fro; back and forth
idea; conception; way of thinking; approach; expression
good prospects; full of hope; promising
-like; sort of; similar to; resembling
(rock) crystal; high purity quartz
to be saved; to be rescued; to escape harm; to be spared damage; to be helped; to be saved trouble
a-ha-ha (laughing loudly)
maid; helper; help; assistance
to deal with (a person); to treat; to deal with (a problem); to handle; to operate (e.g. a machine); to handle; to deal in
weight; heavyweight boxer
several years; a few years
patient; unhurried; leisurely
to become stronger; to grow in intensity; to grow violent; to invite contributions, etc.; to solicit help, participation, etc.; to recruit (e.g. soldiers)
to distribute; to hand out
slight; insignificant; small
recruitment; invitation; raising (funds, donations, etc.); collection; flotation (of shares, loans, etc.)
to respond; to satisfy; to accept; to comply with; to apply for
to be sacked; to be fired; to be dismissed; to be beheaded
quick; rapid; swift; satisfactory
least; lowest; worst; awful; horrible; at the very least
fallen scraps; scatterings; leftovers; remainder; student who cannot keep up in school; dropout (from school, society, a movement, etc.)
twice; again; second time
defect; fault; flaw; deformity; deficiency; shortage
to profit; to get; to have (bear, beget) a child; to have a stroke of luck