Definition of legion in English:



  • 1A division of 3,000–6,000 men, including a complement of cavalry, in the ancient Roman army.

    • ‘The most important fighting unit of the Roman Army was the legion commanded by a legatus.’
    • ‘During the Roman conquest, the fort was sacked by Vespasian's legions.’
    • ‘The Roman legions brought peace and prosperity, at least most of the time.’
    • ‘The Gallic charge complete with battle cries was famous, but the discipline of the Roman legions was more effective.’
    • ‘Thus it was Titus who commanded the Roman legions during the famous sack of Jerusalem.’
    brigade, regiment, battalion, company, troop, division, squadron, squad, platoon, contingent, unit, force, corps, garrison, section, group, detachment, commando, battery, band, outfit, cohort
    View synonyms
    1. 1.1the Legion The Foreign Legion.
    2. 1.2the Legion A national association of former servicemen and servicewomen instituted after the First World War, such as the Royal British Legion or the American Legion.
  • 2a legion/legions ofA vast number of people or things.

    ‘legions of photographers and TV cameras’
    • ‘The two Soweto giants were lying fourth and fifth respectively yesterday behind clubs such as Bloemfontein Celtic and Black Leopards despite their vast legion of supporters.’
    • ‘Wormwood Scrubs is the last place Murphy's legion of admirers would have expected him to end up, as he took second place on Smartie in the Aintree Grand National of 2001.’
    • ‘In BBC hospital drama Casualty, Clive played consultant Mike Barratt, whose combination of beefy good looks and softly-spoken bedside manner won him a legion of admirers.’
    • ‘Back in the 1990s Ed Schultz was one of a legion of bombastic conservative talk-radio hosts.’
    • ‘For the band's legion of fans, Metz's book is a loving walk down memory lane.’
    • ‘Hopefully a whole new legion of admirers will be awakened.’
    • ‘She has already won a legion of admirers and a Radio 3 Award for world music.’
    • ‘J.J. O'Connor from Castlerea recalls that Jack always had a legion of admirers around the Castlerea era.’
    • ‘Nader could once claim a legion of friends and admirers in the world of American progressive politics.’
    • ‘He has a legion of admirers and his share of critics.’
    • ‘The former England boss has won a legion of admirers the world over thanks to his honest, forthright views and his overwhelming passion for the game.’
    • ‘Hundreds of poignant tributes from Peel's legion of devoted listeners have flooded the messageboards on the BBC.’
    • ‘Deservedly, the DS has garnered a legion of admirers from every generation of drivers born since.’
    • ‘Cassidy's legion of admirers might argue that it's enough just to hear her remarkable voice again.’
    • ‘Evidently, her relationship with Nick didn't earn her a legion of admirers.’
    • ‘As it turns out, no one in the real estate community likes this guy and the stories about his stunts are legion.’
    • ‘Despite his protests, there is little evidence of the black bags he insists are located under the blue eyes that have won him a legion of female admirers throughout his career.’
    • ‘I must make this my project of the decade which should win over a legion of admirers and also the top accolades of the industry.’
    • ‘Donie never wanted for company; he had a legion of friends and admirers.’
    • ‘It'll silence their critics, amaze their fans and win them a whole new legion of admirers.’
    horde, host, throng, multitude, crowd, drove, mass, mob, rabble, gang, swarm, flock, herd, body, pack, score, mountain, army, sea, abundance, profusion
    View synonyms


  • predicative Great in number.

    ‘her fans are legion’
    • ‘The myths surrounding censorship are legion, and are largely based on the unproven premise that screen violence incites people to actual violence.’
    • ‘The stories of people duped by these schemes are legion.’
    • ‘The tales of the band's remarkable excesses are legion.’
    • ‘The stories about Dan are legion, and don't bear repetition here - although his autobiography is highly recommended.’
    • ‘Meanwhile, those who detest cricket - and their number is legion - must be wondering whether a six-week exile is the only respite.’
    • ‘"The history is complicated; the factual disputes are legion."’
    • ‘Examples of costly failures are legion.’
    • ‘The number of characters confronting inner demons was legion.’
    • ‘The advantages of switching from car to bike are legion.’
    • ‘Books and articles on the tradition of the English country house are legion.’
    • ‘Literary references to wine drinking are legion, presumably because it encouraged conversation, civilized, bawdy, or sometimes nonsensical.’
    • ‘The advantages of such an economic re-orientation, meanwhile, would be legion.’
    • ‘As with any complex disorder, the therapies purporting to help are legion, and variable in outcome as far as the individual is concerned.’
    • ‘By contrast, makeshift labs that produce the synthetic drug methamphetamine are legion - thousands of such facilities are busted annually.’
    • ‘Such incidents were legion and the spoils of office could be immense.’
    • ‘Admirers, who are legion according to Chan, call him Little Prince ‘because he's very pretty.’’
    • ‘His list of friends and admirers there is legion.’
    • ‘The web sites devoted to Brigitte are of course legion.’
    • ‘Examples of this type of behaviour in the still rather immature PC industry are legion.’
    numerous, countless, innumerable, incalculable, immeasurable, untold, endless, limitless, boundless, myriad, many, abundant, plentiful, thick on the ground
    View synonyms


Middle English: via Old French from Latin legio(n-), from legere ‘choose, levy’. The adjective dates from the late 17th century, in early use often in the phrase my, their, etc. name is legion, i.e. ‘we, they, etc. are many’ (Mark 5:9).