crow (Corvus spp.); raven
dolphin (or other small toothed whales, such as porpoises, belugas, etc.)
to measure; to weigh; to survey; to conjecture; to infer; to surmise
carrier pigeon; homing pigeon
precipitous; rugged; inaccessible; grim; severe; stern
to hold out; to extend (e.g. one's hands); to thrust (javelin); to offer (e.g. aid, help, etc.)
falling far short (of); being far behind; being far inferior (to); being no match (for)
document; writing; letter; document addressed to someone
secrecy; highly classified information
to fall into someone's hands; to pass into another's possession
to shut out one's opponents; to stop the other side from scoring
introduction; bringing in; leading in; installation
flexible; lithe; soft; pliable
encryption; encipherment; password protection
unskillful; childish; immature; naive; artless; clumsy
communication technology; communications technology
drone; unmanned aircraft; drone
loss of eyesight; loss of vision; going blind; blindness
classified document; confidential document
idea; plan; fancy; impulse; thought; whim
plan; device; idea; design; contrivance; conception
living; being alive; freshness; liveliness; situation in which a group of stones cannot be captured because it contains two or more gaps (in go); stet
main constituent; core; nucleus; subject (philosophical); protagonist
to keep (something) a secret; to keep hidden (for ever); to continue to conceal
mediator; manager; caretaker
Mediterranean Sea; Mediterranean sea (oceanography)
attendant; person who looks after one's needs; caretaker
to find a clear solution; to come to a clean decision; to give a clear explanation; to divide exactly (without remainder); to divide evenly
affection; love; fondness; tenderness
creepy (feeling); uneasy (feeling); bad (feeling); giving one the creeps; hideous; scaring