Definitions: (adjective) If something is significant, it is important, or large, enough to pay attention to or to believe.
Examples: (adjective) The enthusiasm of the teacher is significant to the popularity of the subject. (adjective) There was a significant drop in the price of gas, causing drivers to line up at the pumps to fill up.
Synonyms: adjectives: important, serious, major.
Academic Word List Sublist and Group: 1 E