INVENT
/ ɪnˈvɛnt / [in-VENT] (v.)
– to be the first to develop something
Example: He invented a robot that looked like an insect.
Additional info: To invent may also mean to make something up to fool people.
INTENTION
/ ɪnˈtɛn ʃən / [in-TEN-shuh n] (n.)
– the purpose of doing something
Example: The scientists’ intention was to have an accurate reading of the weather.
Additional info: The synonyms of intention include aim or meaning.
SURVEILLANCE
/ sərˈveɪ ləns / [ser-VEY-luh ns] (n.)
– the act of watching someone or something closely but discreetly
Example: We installed hidden cameras for surveillance purposes.
Additional info: Surveillance is often done to prevent a crime or to closely monitor an enemy.
SWARM
/ swɔrm / [swawrm] (v.)
– to move in big groups
Example: The insects swarmed the streets.
Additional info: Swarm (n.) means a big group of insects moving all at once.
TACTICAL
/ ˈtæk tɪ kəl / [TAK-ti-kuh l] (adj.)
– referring to plans or strategies related to war or politics
Example: The country hopes to gain a tactical advantage against its enemies.
Additional info: Tactic is the noun form of this word (e.g. political tactics).
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