enterto come or go into; penetrate: enter a room; enter the bloodstreamNot to be confused with:inter ? place in a grave or tomb: They will inter him tomorrow.intern ? to restrict or confine within prescribed limits, as prisoners of war: They will intern the prisoners at the camp for at least a month.Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embreeen·ter (?n?t?r)v. en·tered, en·ter·ing, en·ters v.tr.1. To come or go into: The train entered the tunnel.2. To penetrate; pierce: The bullet entered the victim’s skull.3. To introduce; insert: She entered the probe into the patient’s artery.4. a. To become a participant, member, or part of; join: too old to enter the army; entered the discussion at a crucial moment.b. To gain admission to (a school, for example).5. To cause to become a participant, member, or part of; enroll: entered the children in private school; entered dahlias in a flower show.6. To embark on; begin: With Sputnik, the Soviet Union entered the space age.7. To make a beginning in; take up: entered medicine.8. To write or put in: entered our names in the guest book; enters the data into the computer.9. To place formally on record; submit: enter a plea of not guilty; enter a complaint.10. To go to or occupy in order to claim possession of (land).11. To report (a ship or cargo) to customs.v.intr.1. To come or go in; make an entry: As the president entered, the band played “Hail to the Chief.”2. To effect penetration.3. To become a member or participant.n. A key on a keyboard or keypad used to enter or confirm a command or other textual input.Phrasal Verbs: enter into1. To participate in; take an active role or interest in: enter into politics; enter into negotiations.2. To become party to (a contract): The nations entered into a trade agreement.3. To become a component of; form a part of: Financial matters entered into the discussion.4. To consider; investigate: The report entered into the effect of high interest rates on the market. enter on (or upon)1. To set out on; begin: We enter on a new era in our history.2. To begin considering; take up: After discussing the budget deficit, they entered on the problem of raising taxes.3. To take possession of: She entered upon the estate of her uncle.[Middle English entren, from Old French entrer, from Latin intr?re, from intr?, inside; see en in Indo-European roots.]en?ter·a·ble adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.enter (??nt?) vb1. to come or go into (a place, house, etc)2. to penetrate or pierce3. (tr) to introduce or insert4. to join (a party, organization, etc)5. (when: intr, foll by into) to become involved or take part (in): to enter a game; to enter into an agreement. 6. (tr) to record (an item such as a commercial transaction) in a journal, account, register, etc7. (tr) to record (a name, etc) on a list8. (tr) to present or submit: to enter a proposal. 9. (Theatre) (intr) theatre to come on stage: used as a stage direction: enter Juliet. 10. (when: intr, often foll by into, on, or upon) to begin; start: to enter upon a new career. 11. (often foll by: upon) to come into possession (of)12. (Law) (tr) to place (evidence, a plea, etc) before a court of law or upon the court records13. (Law) (tr) law a. to go onto and occupy (land)b. chiefly US to file a claim to (public lands)[C13: from Old French entrer, from Latin intr?re to go in, from intr? within] ?enterable adj ?enterer nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014en?ter (??n t?r) v.t. 1. to come or go in or into: to enter a room; The thought never entered my mind. 2. to penetrate or pierce: The bullet entered the flesh. 3. to put in or insert. 4. to become a member of; join. 5. to cause to be admitted, as into a school or a competition: to enter a horse in a race. 6. to begin upon; engage or become involved in: to enter the medical profession. 7. to share in; have an intuitive understanding of: able to enter the spirit of the work. 8. to make a record of; record or register. 9. Law. a. to make a formal record of (a fact). b. to occupy or take possession of (lands), esp. under rightful claim. 10. to put forward, submit, or register formally: to enter an objection; to enter a bid. v.i. 11. to come or go in. 12. to be admitted, as into a school or competition. 13. to make a beginning (often fol. by on or upon): to enter upon a new phase in history. 14. to come upon the stage (used in stage directions, often as a 3rd person imperative): Enter Othello. 15. enter into, a. to participate in; engage in. b. to investigate; consider. c. to sympathize with; share in. d. to form a constituent part or ingredient of. [1200?50; If you enter a room or building, you go into it.Enter can be used without an object.Enter is a rather formal word, and you do not usually use it in conversation. Instead you say that someone goes into or comes into a room or building.