from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To raise or increase the quantity or degree of; intensify.
- transitive v. To make high or higher; raise.
- intransitive v. To rise or increase in quantity or degree; intensify.
- intransitive v. To become high or higher; rise.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To make high; to raise higher; to elevate.
- v. To carry forward; to advance; to increase; to augment; to aggravate; to intensify; to render more conspicuous; -- used of things, good or bad; as, to heighten beauty; to heighten a flavor or a tint.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To make high; to raise higher; to elevate.
- transitive v. To carry forward; to advance; to increase; to augment; to aggravate; to intensify; to render more conspicuous; -- used of things, good or bad
from The Century Dictionary and Cyclopedia
- To make higher; increase the vertical elevation of.
- To make higher in amount or degree; increase; augment; intensify: as, to heighten an effect.
- To make high or higher in feeling or condition; elevate or exalt, as the mind or a person.
- Synonyms Lift, Exalt, etc. See raise.
- To become higher; increase; augment.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make (one's senses) more acute
- v. become more extreme
- v. increase the height of
- v. make more extreme; raise in quantity, degree, or intensity
- v. increase
- v. make more intense, stronger, or more marked
height + -en (Wiktionary)