<p><strong>Noun</strong></p><ul><li>A student who spends much time studying and has little or no social life; grind.</li><li>A stupid, boring, or unattractive person.</li><li>A person who studies a subject or issue in an excessively assiduous and thorough manner.</li></ul><p><strong>Verb</strong></p><ul><li>To spend inordinate amounts of time, attention, energy, enthusiasm, etc., on an activity or topic of special interest to oneself.</li></ul>