if food or drink goes off, it is no longer fresh
if something such as a light or an electricity supply goes off, it stops working or being available
to become worse in quality
to explode, or to be fired
to happen in a particular way
to leave a place, especially for a particular purpose
to start making a noise as a signal or warning
to start to sleep
to stop liking someone or something
to suddenly become angry and start shouting
To move slowly with the abdomen close to the ground.
Of plants, to grow across a surface rather than upwards.
To move slowly and quietly in a particular direction.
To make small gradual changes, usually in a particular direction.
To move in a stealthy or secret manner; to move imperceptibly or clandestinely; to steal in; to insinuate itself or oneself.
To slip, or to become slightly displaced.
To move or behave with servility or exaggerated humility; to fawn.
To have a sensation as of insects creeping on the skin of the body; to crawl.
To drag in deep water with creepers, as for recovering a submarine cable.
To covertly have sex (with a person other than one's primary partner); to cheat with.
A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.
In the International System of Units, the derived unit of plane angular measure of angle equal to the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle. Symbol: rad
Anything which radiates or emits rays.
A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
(of buildings) A finned metal fixture that carries hot water or steam in order to heat a room.
A type of antenna.
Favoring fundamental change, or change at the root cause of a matter.
Pertaining to a root (of a plant).
Pertaining to the basic or intrinsic nature of something.
Thoroughgoing; far-reaching.
Of or pertaining to the root of a word.
(of a sound) Produced using the root of the tongue.
Involving free radicals.
Relating to a radix or mathematical root.
(1980s & 1990s) Excellent; awesome.
The distance between the front and rear sights of a firearm.




