Words / B1

DEPTH/depθ/

Depth is how deep something is, or how thorough an analysis is: the depth of the river; lack depth; in depth. Deep is the adjective. Height and width are other dimensions. Do not write “a depth research” — say in-depth research. Inquiries criticised for a lack of depth.

Meaning

How deep something is; also the quality of being thorough (in depth).

Examples

• “The inquiry lacked depth because witnesses were rushed.”
• “Study the graph in depth before you write the comparison.”

Good to know

the depth of; in depth; a lack of depth. Adjective: deep. Compound: in-depth (often hyphen before a noun). Not “a depth research”.

New