mi5
Word Rarity
Rare
Frequency: Zipf frequency 2.89 in modern English
4
Scrabble Score
2
Letters
1
Syllables
2
Unique Chars
Meaning
name
The domestic intelligence and counter-espionage agency of the United Kingdom, which operates in secret and whose primary function is to spy on terrorist organizations and others viewed as a threat to British national security. Formally known as the Security Service.