the degree of excellence or the standard of something

the inherent or innate physical and psychological makeup or essence of an individual

physical substance that occupies space and possesses rest mass

the essential or inherent character, quality, or essence of something

the standard or level of excellence of products, services, or environmental conditions

excellent quality

elegance, sophistication, or class in manner and appearance

to call into question or challenge the truth, validity, or authority of something

the fundamental, inherent nature or intrinsic quality of a person or thing

the actual reality or essential content of a matter, as opposed to mere form

significant in size, amount, degree, or importance

a person's natural talent, intelligence, or innate mental and physical endowments

a person's underlying physical condition or health makeup

high quality

the tactile quality or physical appearance of a surface or material

the outer layer of the cerebrum, responsible for high-level brain functions like thought and memory

the physical composition, grain, or material quality of an object

a substance through which energy, waves, or force is transmitted

a characteristic, inherent property, or special quality that distinguishes a person or thing

to go bad or go off, especially referring to food or organic matter

fundamentally or in essence; relating to the core nature of something

the material or substance of which bones are composed, often referring to bone mineral density or bone tissue integrity in medical contexts

in essence, fundamentally, or for all practical purposes

shoddy; of poor quality

being easily excited, jumpy, or on edge

to question someone closely or aggressively, or to bring them to account for their actions

the process of checking goods or services to ensure they meet specific quality standards

the base substance or solvent within a chemical compound or material

the characteristic timbre and overall fidelity of a sound produced by a person, instrument, or audio equipment

mineral, especially a dietary mineral

a waxy, water-repellent substance that forms the cuticle of plant leaves and stems

wooden; made of wood

sincere and unsophisticated in character or nature

the time limit or deadline after which a product is no longer guaranteed to be of high quality or safe to use

to question or enquire formally, particularly in a legislative or legal context

a substance that is jelly-like or glue-like in consistency

the texture, composition, or quality of meat

the physical and chemical properties of soil, such as texture, moisture, and fertility.

to confront a person in court or a formal setting to verify facts or resolve a dispute