Grade 7 groundwater Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. water that is located underground in soil or rock. Example Sentence Natural discharge of groundwater occurs at springs. More Example Sentences Many plants use groundwater for growth. Synonyms subsurface water; aquifer; well water Antonyms rain Hear It! Say It! Write It! groundwater Switch to cursive Start Share with your friends: