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Related to depth: depth perception, depth psychology, Depth first search

in the depths of (something)

In the middle of and wholly consumed by a particularly negative and/or difficult situation or emotional state. The country was in the depths of the worst economic disaster of the last century. While I was in the depths of depression, I found that I couldn't even get out of bed in the morning.
See also: depth, of

fathom the depths of (something)

To explore or penetrate the deepest, core meaning or nature of something. The movie hardly fathoms the depths of the human condition, but it's an entertaining picture nonetheless. You really have to fathom the depths of your own imagination to get the most out of reading her latest novel.
See also: depth, of

be out of (one's) depth

To be in a field or situation that exceeds one's knowledge or ability. Of course she's out of her depth with 25 employees reporting to her—she had hardly any supervisory experience before you gave her the job! I asked Alex to consult on this project because it's a bit out of my depth.
See also: depth, of, out

beyond (one's) depth

1. In water that is too deep for one to swim in. The lifeguard had to save the girl who had gotten beyond her depth in the pool.
2. Advanced beyond one's ability to understand or make sense of the subject matter or task at hand. The stuff they're teaching in this advanced math class is beyond my depth.
See also: beyond, depth

beyond one's depth

1. Lit. in water that is too deep. Sally swam out from the beach until she was beyond her depth. Jane swam out to get her even though it was beyond her depth, too.
2. Fig. beyond one's understanding or capabilities. I'm beyond my depth in calculus class. Poor John was involved in a problem that was really beyond his depth.
See also: beyond, depth

*out of one's depth

Fig. involved in something that is beyond one's capabilities. (*Typically: be ~; get ~.) You know, you are really out of your depth in this project. I am sure I am out of my depth in organic chemistry.
See also: depth, of, out

in depth

in a complete way that includes everything in detail There wasn't time to go into each problem in depth, but we did get a short description of every case.
See also: depth

out of your depth

knowing very little about a subject I know I'm out of my depth with teenagers.
See also: depth, of, out

plumb the depths (of something)

to carefully examine something in order to understand or explain it Who would want to plumb the depths of the criminal mind?
Etymology: based on plumb line (a cord with a heavy piece of metal attached to it, used to measure the depth of water under a ship)
See also: depth, plumb

be out of your depth

to not have the knowledge, experience, or skills to deal with a particular subject or situation When Ruth started talking about the differences between the databases, I knew I was out of my depth. By half-time, England was losing 4-0 and the English players were looking hopelessly out of their depth.
See also: depth, of, out

plumb the depths

1. to experience extreme sadness (usually + of ) His wife left him in May and during the following months he plumbed the depths of despair.
2. to understand something in detail, especially something that is difficult to understand (usually + of ) In hypnosis we plumb the depths of the unconscious.
3. if something that someone does or says plumbs the depths, it is very bad (often + of ) I read one review which said the show plumbed the depths of tastelessness.
See also: depth, plumb

sink to such depths

to behave very badly I find it hard to believe that human beings could sink to such depths.
See also: depth, sink, such

in depth

Profoundly, thoroughly, as in It will take years to cover the entire subject in depth. [Mid-1900s]
See also: depth

out of one's depth

Also, beyond one's depth. Outside one's understanding or competence, as in He was out of his depth in that advanced calculus class, or The conductor realized that playing the fugue at the right tempo was beyond their depth . This expression alludes to being in water so deep that one might sink. [c. 1600] Also see over one's head.
See also: depth, of, out
References in periodicals archive ?
1 in 2005 was designed to in-fill the drilling done in 2004 within approximately one kilometre of the axis of the fold between the south and north limbs of the deposit, as well as step out at depth in certain areas.
This high grade sector is totally open to the ENE and at depth (see north longitudinal).
Our 2005 program has added 750 m of north-south strike length, maintained the 450 m east-west width and added over 240 meters of depth to the grid drilled zone.
Megascopic copper minerals were noted over a 352m total vertical interval, with the drill hole extending mineralisation at depth by an estimated 150m or 45% from the base of previous drilling at 660m RL.
6 g/t gold and 84 g/t silver from a downhole depth of 45 metres.
Panerai Luminor 1950 submersible depth gauge for the pangaea expedition
In these situations the corner must get depth to the intermediate route while reading the QB.
For a tip-sample combination for which H is constant with depth, constant P/P testing yields a constant indentation strain rate.
aluminum--sealed surface defects and sub-surface porosity, increased surface hardness and yielded strengths equal to forged components; increased hardness 38% at the surface and 23% at a depth of more than 2mm;
I also may use heavier lures like Kastmasters or Crippelures, employing the weight of the lure to get to optimum depth.
16 /PRNewswire/ -- Eastman Kodak Company (NYSE: EK) today demonstrated a new depth imaging technology that enables images captured on photographic film to be produced and viewed as high-resolution, multi-dimensional pictures.
While others around the world have adopted slightly different categories, most drilling experts would define "deep" holes as those reaching a depth of 4 to 7 km, while "superdeep" or "ultradeep" holes go beyond 7 km.
In the deeper test, approximately 8 MMCFD flowed from a total of 14 meters (46 feet) of perforations between 1,036 and 1,080 meters (3,400 and 3,544 feet) depth on a 36/48-inch choke at a flowing pressure of approximately 1000 psi.