Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun arms

2 senses of arms

Sense 1
weaponry, arms, implements of war, weapons system, munition -- (weapons considered collectively)
       => instrumentality, instrumentation -- (an artifact (or system of artifacts) that is instrumental in accomplishing some end)

Sense 2
coat of arms, arms, blazon, blazonry -- (the official symbols of a family, state, etc.)
       => heraldry -- (emblem indicating the right of a person to bear arms)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun arm

6 senses of arm

Sense 1
arm -- (a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb)
       => limb -- (one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper)

Sense 2
arm, branch, limb -- (any projection that is thought to resemble a human arm; "the arm of the record player"; "an arm of the sea"; "a branch of the sewer")
       => projection -- (any structure that branches out from a central support)

Sense 3
weapon, arm, weapon system -- (any instrument or instrumentality used in fighting or hunting; "he was licensed to carry a weapon")
       => instrument -- (a device that requires skill for proper use)

Sense 4
arm -- (the part of an armchair or sofa that supports the elbow and forearm of a seated person)
       => armrest -- (a support for the arm)

Sense 5
branch, subdivision, arm -- (a division of some larger or more complex organization; "a branch of Congress"; "botany is a branch of biology"; "the Germanic branch of Indo-European languages")
       => division -- (an administrative unit in government or business)

Sense 6
sleeve, arm -- (the part of a garment that is attached at the armhole and that provides a cloth covering for the arm)
       => cloth covering -- (a covering made of cloth)

Antonyms of verb arm

1 of 2 senses of arm

Sense 1
arm, build up, fortify, gird -- (prepare oneself for a military confrontation; "The U.S. is girding for a conflict in the Middle East"; "troops are building up on the Iraqi border")
       Antonym of disarm (Sense 1)
      => disarm, demilitarize, demilitarise -- (remove offensive capability from)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb arm

2 senses of arm

Sense 1
arm, build up, fortify, gird -- (prepare oneself for a military confrontation; "The U.S. is girding for a conflict in the Middle East"; "troops are building up on the Iraqi border")

Sense 2
arm -- (supply with arms; "The U.S. armed the freedom fighters in Afghanistan")
       => supply, provide, render, furnish -- (give something useful or necessary to; "We provided the room with an electrical heater")