from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To state as an opinion.
- intransitive v. To express an opinion: opined on the defendant's testimony.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a class of organic compounds, derived from amino acids, found in some plant tumours
- v. To have or express an opinion; to state as an opinion; to suppose, consider (that).
- v. To give one's formal opinion (on or upon something).
from the GNU version of the Collaborative International Dictionary of English
- v. To have an opinion; to judge; to think; to suppose.
from The Century Dictionary and Cyclopedia
- To think; suppose.
- To think; be of opinion that.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. expect, believe, or suppose
- v. express one's opinion openly and without fear or hesitation
Middle English opinen, from Old French opiner, from Latin opīnārī, to suppose.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Latin opīnor ("to hold as an opinion"), from *opinus ("thinking, expecting"), only in negative nec-opinus ("not expecting") and in-opinus ("not expected"); akin to optare ("to choose, desire"), and to apisci ("to obtain"); see optate and opt. (Wiktionary)