Existing in or caused by nature; not made or caused by humankind
a natural occurrence
Wholly natural; specifically (of food) containing no artificial colourings, flavourings, or preservatives.
The period in which the earth turns once on its axis.
Flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel
Ice made by cold weather rather than by artificial means.
A body of unchanging moral principles regarded as a basis for all human conduct
Inborn intelligence; the innate faculty of reasoning.
Of or relating to the artificial imitation of nature, especially in landscape gardening.
A geographical area the distinguishing characteristics of which have arisen naturally and without planning.
A vaginal birth, especially without medical intervention such as pain-relieving medication
A physical body, as opposed to a spiritual body: in later use only in allusion to 1 Corinthians 15:44.
Having a specified innate characteristic or ability
Textile fibre made from natural as opposed to synthetic materials.
Food that has undergone a minimum of processing or treatment with preservatives
A person who is deficient in intelligence from birth; a person born with a mental handicap.
Any of various minerals (such as obsidian and tachylite) that resemble glass in their appearance and amorphous structure, having solidified from magma too quickly to crystallize.
The inherent heat of the body.
A state of high spirits or euphoria induced without the use of drugs; (hence) a naturally occurring substance (as guarana, etc.) said to have effects similar to those of manufactured euphoria-producing drugs.
= natural trumpet.
The expected span of a person’s life or a thing’s existence under normal circumstances
(In the Middle Ages) magic practiced for beneficial purposes, involving the making of images, healing, and the use of herbs
The order presumed to be present in the constitution of matter and the operation of forces in nature and society.
= nature park.
The genitals. Now archaic.
The (intrinsic) value of a commodity with respect to the costs of production, as distinguished from the fluctuating market value.
A right considered to be inherent or inalienable, especially in connection with the individual's relationship to the state and to society. Compare human rights.
A musical scale containing no sharps or flats; specifically the scale of C major.
The state or condition in which something occurs in nature, untreated or unprocessed, as before the application of any manufacturing process; the condition to which a thing, person, or system tends in the absence of external influences.
A unit of measurement that is considered to be natural; especially one based on the fundamental properties of the object, space, system, etc., under consideration.
The tropical or solar year
Nature regarded as a (manifold) source of causation; the regular and predictable causes of a thing.
A naturally occurring cement; specifically one made by calcining argillaceous limestone.
A colour which something has by nature; specifically the colour of unbleached and undyed fabric or of unvarnished and unstained wood.
The gender corresponding to the sex of a noun's referent, especially as opposed to the noun's grammatical gender; the grammatical classification of words on the basis of the sex (or sexlessness) of their referents.
The scientific study of animals or plants, especially as concerned with observation rather than experiment, and presented in popular rather than academic form
Principles, procedures, or treatment felt instinctively to be morally right and fair
(attributive) designating large granular lymphocytes, distinct from B and T lymphocytes, which are capable of killing certain tumour cells and virus-infected cells without prior sensitization or MHC restriction (especially in natural killer cell).
The freedom which a person or animal possesses in nature; specifically the state in which human beings are free to act as they think fit, unhindered by laws or regulatory social structures.
Natural in appearance, especially despite being artificially created or enhanced.
The positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well
The time in which a freely oscillating system completes one cycle of oscillation.
A person having legal status as an individual, as distinguished from a corporate body, representative, etc.
The innate human faculty of reasoning.
A geographical region characterized by a distinctive combination of climate, vegetation, relief, etc.
Rubber or rubber latex obtained from a plant, in contrast to synthetic rubber.
A branch of science that deals with the physical world, e.g., physics, chemistry, geology, and biology
A subtle fluid regarded as the principle of growth and nutrition and as being produced in the liver.
A person who owes allegiance to a ruler; especially one who has been naturalized or made a subject.
A horn or trumpet in which the length of the tube cannot be altered during performance (as by valves, etc.), so that the range of notes available is limited to its natural harmonics and some hand-stopped notes.