solid (solids plural )
1 adj A solid substance or object stays the same shape whether it is in a container or not.
usu ADJ n (Antonym: liquid)
...the potential of greatly reducing our solid waste problem..., He did not eat solid food for several weeks.
2 n-count A solid is a substance that stays the same shape whether it is in a container or not., (Antonym: liquid)
Solids turn to liquids at certain temperatures., ...the decomposition of solids.
3 adj A substance that is solid is very hard or firm.
The snow had melted, but the lake was still frozen solid..., The concrete will stay as solid as a rock.
4 adj A solid object or mass does not have a space inside it, or holes or gaps in it.
usu ADJ n
...a tunnel carved through 50ft of solid rock., ...a solid mass of colour..., The car park was absolutely packed solid with people.
5 adj If an object is made of solid gold or solid wood, for example, it is made of gold or wood all the way through, rather than just on the outside.
ADJ n
...solid wood doors., ...solid pine furniture.
6 adj A structure that is solid is strong and is not likely to collapse or fall over.
Banks are built to look solid to reassure their customers..., The car feels very solid.
solidly adv ADV with v
Their house, which was solidly built, resisted the main shock.
solidity n-uncount
...the solidity of walls and floors.
7 adj If you describe someone as solid, you mean that they are very reliable and respectable., (approval)
Mr Zuma had a solid reputation as a grass roots organiser.
solidly adv
Graham is so solidly consistent.
solidity n-uncount
He had the proverbial solidity of the English.
8 adj Solid evidence or information is reliable because it is based on facts.
We don't have good solid information on where the people are..., He has a solid alibi.
9 adj You use solid to describe something such as advice or a piece of work which is useful and reliable.
The CIU provides churches with solid advice on a wide range of subjects..., All I am looking for is a good solid performance...
solidly adv ADV with v
She's played solidly throughout the spring.
10 adj You use solid to describe something such as the basis for a policy or support for an organization when it is strong, because it has been developed carefully and slowly.
(=strong)
...Washington's attempt to build a solid international coalition.
solidly adv ADV adj/prep, ADV with v
The Los Alamos district is solidly Republican..., So far, majority public opinion is solidly behind the government.
solidity n-uncount
...doubts over the solidity of European backing for the American approach.
11 adj If you do something for a solid period of time, you do it without any pause or interruption throughout that time.
ADJ n, -ed ADJ
We had worked together for two solid years.
solidly adv ADV with v
People who had worked solidly since Christmas enjoyed the chance of a Friday off.
rock-solid , rock solid
1 adj Something that is rock-solid is extremely hard.
Freeze it only until firm but not rock solid.
2 adj If you describe someone or something as rock-solid, you approve of them because they are extremely reliable or unlikely to change., (approval)
Mayhew is a man of rock-solid integrity...
solid fuel (solid fuels plural )Solid fuel is fuel such as coal or wood, that is solid rather than liquid or gas.
(BRIT) n-mass
solid-state
Solid-state electronic equipment is made using transistors or silicon chips, instead of valves or other mechanical parts. (TECHNICAL) adj ADJ n
