preventing success or development; harmful; unfavorable.

the state of being congested.

violent, uncontrollable anger.

not yet born.

an individual animal, plant, or single-celled life form.

recurring naturally on a twenty-four-hour cycle, even in the absence of light fluctuations.

a small wave or series of waves on the surface of water, especially as caused by an object dropping into it or a slight breeze.

rising and falling irregularly in number or amount.

the condition or process of degrading or being degraded.

a line of road traffic at or near a standstill because of road construction, an accident, or heavy congestion.

the basic physical and organizational structures and facilities (e.g. buildings, roads, power supplies) needed for the operation of a society or enterprise.

involving, relating to, or emphasizing behavior.

the study of geometric properties and spatial relations unaffected by the continuous change of shape or size of figures.

covering or affecting a large area.

based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.

concerned with or involving the theory of a subject or area of study rather than its practical application.

a book or other collection of financial accounts of a particular type.

a planned route or journey.

move (troops or equipment) into position for military action.

a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.

the authority to represent someone else, especially in voting.

drive or force (a liquid, especially a drug or vaccine) into a person or animal's body with a syringe or similar device.

excluding or not admitting other things.

rapid increase in numbers.

the process of coming into view or becoming exposed after being concealed.