leading a meeting; presiding over a meeting; officiating at a ceremony; chairman; presenter; host
police officer; policeman; policewoman
depending on; dependent on
influential; prominent; strong; likely; plausible
collaborator; cooperator; coworker; ally
moderator; host; chairman
high-pitched tone; soprano
audio feedback; acoustic feedback; howl
physical education; PE; gym (class)
student guidance; student counseling
calmly; quietly; gently; be quiet!
materials; data; document
row; line; company (of someone); group; sequence; counter for rows
space; room; vacancy; opening; free time; time to spare
preference; priority; precedence
ultrasonic waves; ultrasound
smirkingly; smugly; broadly
in advance; beforehand; previously
dispatch; despatch; transmission; informing (e.g. of opinion); sharing (thoughts, etc.); telling
six; six years of age; six o'clock (old time system)
to play a role; to serve a function; to play a part
reason; cause; circumstances
diversion (action meant to attract attention away from the real objective); feint
dozens; scores of; decades
the passage of electric current
power outage; electricity outage; blackout; failure of electricity supply
process; procedure; sequence; protocol; instruction
independence; self-reliance
range (of a rifle, missile, etc.)
physical law; laws of physics
trajectory; line of fire; ballistic
impact (of a projectile); landing (of a bullet); striking
specialization; specialisation
this (very thing); this precisely
not covered (e.g. of a sports opponent); unobserved; under the radar; unmarked (e.g. of a product); unlabelled
death; mortality; to die; to pass away
flabbily; softly; limply; easily (bend); effortlessly; flexibly