1) About 2) Ambient 3) Circumambient 4) Circumferential 5) Circumjacent 6) Close 1) About 2) Around 3) Close 4) Closely encircling 5) Encircling 6) Encompassing 7) On all sides of 8) Something that surrounds 
• (p. pr. & vb. n.) of Surround • (n.) The things which surround or environ; external or attending circumstances or conditions. • (a.) Inclosing; encircling. • (n.) An encompassing.
Sur·round'ing adjective Inclosing; encircling. 
surrounding Encircling or enclosing.
something that surrounds. · environing things, circumstances, conditions, etc.; environment: He was too sick to be aware of his surroundings. · the act of encircling or enclosing.