Synonyms: massive, monolithic, monumental
Definition: imposing in size or bulk or solidity
Usage: massive oak doors; Moore's massive sculptures; the monolithic proportions of Stalinist architecture; a monumental scale
Definition: above average in size or number or quantity or magnitude or extent
Usage: a large city; set out for the big city; a large sum; a big (or large) barn; a large family; big businesses; a big expenditure; a large number of newspapers; a big group of scientists; large areas of the world
Synonyms: monumental
Definition: of outstanding significance
Usage: Einstein's monumental contributions to physics
Similar words: important, significant
Definition: important in effect or meaning
Usage: a significant change in tax laws; a significant change in the Constitution; a significant contribution; significant details; statistically significant