used in a question to press for a definitive answer; really; actually

thorough; complete; leaving nothing out

the last days or period of a year; year-end

the location below something; under; beneath

to work undercover; to go deep into an enemy's organization or a criminal gang to gather information or provide help from the inside

The minimum conditions or the limit of what one is prepared to accept; the final degree of tolerance.

the bottom of one's heart; one's innermost feelings or intentions

the deep sea; the depths of the ocean; seabed; seafloor

To lay a foundation; to make a first sketch or preliminary plan

Detroit, a city in Michigan, USA, known as a major center for the automobile industry

To place something underneath as a lining, mat, or base; to put something on the bottom.

The lowest floor of a building (ground floor) or the bottom-most level of an object or structure

the last few days of a month

The supporting frame of a vehicle, including the steering, transmission, and braking systems

The lowest or undermost part of an object; the base or floor of a container

the reality beneath the surface; concrete details or inside information about a person or situation

foundation makeup; a cosmetic powder or cream applied to the face to create an even skin tone or cover blemishes

when all is said and done; at bottom; basically

(finance) to buy assets or stocks when prices are at their lowest; bargain-hunting

lung capacity or volume of breath, often reflected in a person's voice or physical vigor

The back part of the inside of the eye, including the retina and optic nerve

The lowest or supporting part of a physical structure; plinth; substrate

The supporting part at the bottom of an object; base, pedestal, or foundation.

to investigate or probe to find out the real situation or someone's intentions

one's foundation or training in the basic skills and knowledge of a craft, art, or field of study; fundamentals

Describing a person who has lost emotional control and is acting in an extreme or irrational way.

the bottom surface of the foot

unexposed light-sensitive film or plates used in photography

the sole of a shoe; the bottom part of footwear that touches the ground

The pre-set starting price in an auction or the internal estimated price for a bidding process.

the inner details or background of a matter; the history or true character of a person

the solution or answer to a riddle

foundation; basis; basic training in a field

the bottom part of a pot, pan, or similar cooking vessel

a flat base or bottom, such as of a pan or the keel of a ship

in the final analysis; when you get right down to it; in essence; fundamentally

in the final analysis; when you get to the root of a matter; ultimately; after all

family property or finances accumulated over a long period of time; patrimony

The core members of a production team or organization; a loyal supporting cast or group of key followers.

the bottom of a mountain valley or river valley

the bottom of a body of water

Socrates (469-399 BC), ancient Greek philosopher, teacher of Plato and known for the Socratic method

underground; subterranean; beneath the surface of the earth

The color of a background or foundation, such as the base color of a fabric, the underpainting in art, or the undertone of a surface.

privately; secretly; in privacy or confidence

To guarantee a minimum amount or floor value, such as for a salary, bonus, or investment

Normandy, a region in northern France

the cards in one's hand that are not yet revealed to others; hole card

to take in the whole scene at once; to have a panoramic view