opin·ion /ə-'pin-yən/ n
1 a: a belief stronger than impression and less strong than positive knowledge
b: a formal expression of a judgment or appraisal by an expert see also opinion testimony at testimony compare fact
2 a: advice or evaluation regarding the legal issues involved in a situation given by an attorney to a client
b: an advisory opinion issued by an authorized public official (as an attorney general) or a recognized body (as the American Bar Association)
3 a: the formal written expression by a court or judge of the reasons and principles of law upon which the decision in a case is based compare holding, judgment, ruling
advisory opinion: a nonbinding opinion or evaluation of a court or other judicial or quasi-judicial authority or body regarding the effect of the law on a situation that does not present an actual controversy between parties
to answer questions which were not brought before this Court would be to issue an advisory opinion — JBC of Wyoming Corp. v. City of Cheyenne, 843 P.2d 1190 (1992)
◇ Advisory opinions are issued esp. by administrative agencies and by some state courts. Federal courts are constrained by the U.S. Constitution to deciding only cases or controversies and cannot issue advisory opinions.
concurring opinion: an opinion by a judge who agrees with the result in a case but not necessarily with the reasoning used to reach it
dissenting opinion: an opinion by a judge who disagrees with the result in a case
majority opinion: an opinion in a case that is written by one judge and in which a majority of the judges on the court join
memorandum opinion
1: a brief opinion of a court that announces the result of a case without extensive discussion and that is usu. unpublished and cannot be cited as precedent
2: an opinion of the U.S. Tax Court that is ordered not to be published but that is authoritative as precedent
3 a: an opinion of a court that sets forth the court's views or intended decision in a case but does not constitute the judgment
b: an opinion of a court or judge setting forth the conclusions and findings and containing or constituting the actual order, judgment, or decree in the case
per curiam opinion: a usu. very brief unanimous opinion attributed to the court as a whole and not to any particular judge
plurality opinion: an opinion with which a majority of the judges on the court concur in result but not in reasoning
sep·a·rate opinion: an opinion written separately by a judge who dissents or who concurs only in the result of the majority opinion
slip opinion: an opinion published in temporary form soon after the decision is rendered
b: a written explanation for a decision reached by an official (as an arbitrator) presiding over the nonjudicial resolution of a dispute
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.