English to English Dictionary

aimless

Without direction, purpose, or definite plan.

air traffic control

A service operated by appropriate authority to promote the safe, orderly, and expeditious flow of air traffic.

airhead

A silly, foolish, or scatterbrained person who lacks intelligence or common sense.

algebra

The branch of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulas and equations.

alloy

A metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.

allure

The quality of being powerfully and mysteriously attractive or fascinating.

alphorn

A long wooden wind instrument traditionally used by mountain herders in the Alps.

ambivert

A person who has a balance of extroverted and introverted features in their personality.

ameliorate

To make something bad or unsatisfactory better.

amenorrhea

An abnormal absence of menstruation.

ammunition

A supply or quantity of bullets and shells.

amphetamine

A synthetic, addictive nervous system stimulant used to treat ADHD and narcolepsy, and sometimes abused as a recreational drug.