Definition of infantry in English:



  • [mass noun] Soldiers marching or fighting on foot; foot soldiers collectively.

    ‘the infantry advanced at sunrise’
    ‘the ships carried two regiments of infantry’
    [as modifier] ‘infantry battalions’
    • ‘Not according to a friend of mine who is a logistics specialist with an elite British infantry regiment.’
    • ‘This may explain why British troops did not join American infantry in the march to Baghdad.’
    • ‘This was different from its usual role of supporting a motorised infantry battalion.’
    • ‘This elite force consisted of nine regiments, six of cavalry and three of infantry.’
    • ‘It makes great sense to re-role some normal infantry battalions into this role and I hope it happens.’
    • ‘The traditional infantry soldier is somebody you hang things on and then ask him to do the impossible.’
    • ‘Tanks attacked first with infantry literally in tow as many tanks pulled along infantry soldiers on sledges.’
    • ‘He had spent 23 years in the Marine Corps infantry and felt it was his duty to help.’
    • ‘Haig has been criticised by some for his belief in the simple advance of infantry troops on enemy lines.’
    • ‘There she found a unit of infantry soldiers who were also without a commanding officer.’
    • ‘Under the plans the number of infantry battalions across the country will be cut from 40 to 36.’
    • ‘They were offered first one infantry battalion, the one based on Cyprus, and then another.’
    • ‘He was transferred to the Paratroop regiment and received infantry training just before war broke out.’
    • ‘How can the disbandment of four infantry battalions do anything but worsen the situation?’
    • ‘The infantry battle was finely balanced, both sides fighting bravely hand-to-hand.’
    • ‘Then there were the marine corps and army infantry who waded ashore or were landed by air on island after island.’
    • ‘Is this, therefore, a time to reduce any infantry battalions let alone four?’
    • ‘When I was a kid, high walled fortifications were virtually impenetrable to infantry or cavalry.’
    • ‘The force now included around a battalion of infantry as well as a squadron of military engineers.’
    • ‘Jason Burke spent a week on patrol with the US infantry and reservists trying to win hearts and minds.’
    infantrymen, foot soldiers, foot guards
    the ranks, the rank and file, cannon fodder
    infanteers, grunts
    dogfaces, doughboys
    View synonyms


Late 16th century: from French infanterie, from Italian infanteria, from infante youth, infantryman, from Latin infant- (see infant).