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

4 senses of surround

Sense 1
surround, environ, ring, skirt, border -- (extend on all sides of simultaneously; encircle; "The forest surrounds my property")
       => touch, adjoin, meet, contact -- (be in direct physical contact with; make contact; "The two buildings touch"; "Their hands touched"; "The wire must not contact the metal cover"; "The surfaces contact at this point")

Sense 2
smother, surround -- (envelop completely; "smother the meat in gravy")
       => cover -- (provide with a covering or cause to be covered; "cover her face with a handkerchief"; "cover the child with a blanket"; "cover the grave with flowers")

Sense 3
besiege, beleaguer, surround, hem in, circumvent -- (surround so as to force to give up; "The Turks besieged Vienna")
       => attack, assail -- (launch an attack or assault on; begin hostilities or start warfare with; "Hitler attacked Poland on September 1, 1939 and started World War II"; "Serbian forces assailed Bosnian towns all week")

Sense 4
wall, palisade, fence, fence in, surround -- (surround with a wall in order to fortify)
       => protect -- (shield from danger, injury, destruction, or damage; "Weatherbeater protects your roof from the rain")

Antonyms of adj surrounded

1 sense of surrounded

Sense 1
surrounded, encircled -- (confined on all sides; "a camp surrounded by enemies"; "the encircled pioneers")

INDIRECT (VIA enclosed) -> unenclosed -- (not closed in our surrounded or included; "an unenclosed porch"; "unenclosed common land")

Similarity of adj surrounded

1 sense of surrounded

Sense 1
surrounded, encircled -- (confined on all sides; "a camp surrounded by enemies"; "the encircled pioneers")
       => enclosed (vs. unenclosed) -- (closed in or surrounded or included within; "an enclosed porch"; "an enclosed yard"; "the enclosed check is to cover shipping and handling")