academic world; academia; academic circles; scientific world; learned circles
to shut out; to bar; to lock out; to exclude
learned society; scientific society; academy; academic meeting; academic conference
to be purplish; to be tinged purple
chimney (narrow cleft used to climb a rock face)
wisdom; wit; sagacity; prajna (insight leading to enlightenment)
plunking (down something heavy); flumping (into a chair)
junior (at work, school, etc.); younger people; younger student
section; cross section; profile
one's seniors and juniors; seniority-based hierarchy
simple, plain, and artless; clear, concise, and unaffected
to cause laughter; to extract a smile
why?; what for?; how?; by what means?
preventive medicine; prophylactic
prevention; protection (against); precaution
famine; crop failure; chronic shortage (e.g. of water)
no matter (what, who, etc.); whether ... or ...; be
immunization; immunisation; shots; inoculation; preventive injection
joint ownership; co-ownership; sharing (e.g. a viewpoint); sharing (files, devices on a network, posts on social media, etc.)
promiscuity; promiscuous sexual relations
anyhow; at all events; in any case; either way; anyway
to spur (someone); to stimulate; to impel; to spur; to stir up; to arouse
contagious disease; communicable disease; transmissible disease; infectious disease; epidemic
technical term; (specialist) terminology; jargon
to shake and untangle; to shake free from
vaccine; antivirus software
example; illustration; precedent
so to speak; so to call it; as it were; in a sense
to add (numbers); to add (something); to top up (with something); to take care of (e.g. one's business)
technical; specialist; professional; exclusive
to destroy; to demolish; to disturb; to put into disorder; to relax (one's pose); to make oneself at ease; to break (a bill)
moderate; reserved; modest; temperate; restrained; low-key
spread; extension; influence; aftereffect; ripple
other intention; hidden purpose; ulterior motive; ill will; malice
unsatisfied; unsatisfactory; insufficient in some way; lacking something
to see; to look; to watch; to try to ...
clever; bright; sharp; wise; intelligent; sagacious
to float; to be suspended; to rise to the surface; to appear; to come to mind; to have inspiration
point of view; viewpoint; angle; visual point (position of the eye in calculations of optical instruments)