English Words and Expressions by Category: Law and Security. Page 18
- trial
- tribunal
- tributary
- trickster
- troop
- trooper
- troops
- troublemaker
- truce
- trustee
- tuition
- turret
- tyrannical
- tyranny
- umpire
- unarmed
- unauthorized
- under oath
- under threat
- underage
- undercover
- underpass
- undersigned
- undertaker
- undervalue
- underworld
- unemployable
- unguarded
- unlawful
- unlimited access
- unlocked
- unprotected
- unpunished
- unrest
- unsanitary
- unsound
- unsupervised
- upheaval
- uprising
- urgent action
- usurp
- usurper
- validation
- validity
- vandal
- vandalism
- vengeance
- venom
- venomous
- verdict
- verification
- versus
- vet
- veteran
- veto
- vice president
- victim
- victimize
- video surveillance
- vigil
- villainy
- vindicate
- vindication
- violate
- violation
- violence
- violent
- violent crime
- visa
- volley
- vulnerability
- vulnerable
- wage war
- waif
- waiver
- war
- war crimes
- war hero
- warden
- warfare
- warhead
- warlike
- warlord
- warn
- warning
- warrant
- warranty
- warring
- warrior
- warship
- wartime
- watchdog
- weapon
- weaponry
- wedlock
- white flag
- win a trial
- with impunity
- withholding
- witness