Preposition: into

• territory: Utility and cargo aircraft carry artillery to firing positions deep into enemy territory to achieve surprise.

• wood: Robert Hughes To use any liquid method will probably simply dissolve the very fine smoke particles and take them deeper into the wood.

Adjective complement with noun phrase

• wade: We went downstairs and waded ankle deep in muddy water and sandy sediments.

Modifies a noun

• breath: Taking a deep breath he continued to walk to his office.

• thrombosis: To understand the prevention and management of deep vein thrombosis.

• understanding: How can we come to a deeper understanding of God?

• sympathy: I offer my deepest sympathy to his family also to the band which I hope will carry on, given time to reflect.

• sleep: The child lay quiet for a few moments, then fell into a deep sleep.

• water: The latter name suggests the deep waters off the northern coast.

Used with adjective complement

• delve: This book delves deeper into a subject that I touched on in a martial arts workshop.

• dig: Dig Deep Almost There in Sidney Wood ~ Bill Nicholson.

• penetrate: Because of their compatibility with the skins natural lipids the liposomes are able to penetrate deeper into the skin.

• bury: There is a ' book thread ' buried deep in off topic.

• sink: These preventative measures include: Using thawed, not frozen bait which causes it to sink deeper in the water quicker.

• lie: Samples of pollen taken from cores bored from deep peat bogs or lake sediments are stratified, with the earliest part lying deepest.

Preposition: in

• heart: Five years ago West Hill Golf Club, deep in the heart of the stockbroker belt of Surrey, came to a decision.

• forest: This was deep in the forest over two hours by light aircraft and incidently two days walk from the nearest road.

• debt: When this man went to Lloyds TSB with money troubles a salesman insisted he buy expensive insurance which left him deeper in debt.

• snow: It continued without intermission for eight days; the streets in some places were 12 to 20 feet deep in snow.

• soil: White campion seedlings can emerge from 40 mm deep in soil but most arise from the upper 10 to 15 mm.