The term 'completely surround' can be expressed in a variety of ways. The 8-letter word 'ENCIRCLE' means to draw a line around something, while the 8-letter word 'engirdle' means to ENCIRCLE with a belt or girdle. The 6-letter word 'ENGULF' means to swallow up or overwhelm, and the 5-letter word 'boxin' means to enclose in a box. Finally, the 7-letter word 'ENVELOP' means to enclose completely. All of these words describe the concept of completely surrounding something.