Similar words: question, in question, questionnaire, unquestionable, out of the question, beyond question, rhetorical question, sequestration. Meaning: n. a punctuation mark (?) placed at the end of a sentence to indicate a question.
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(31) But there's a big question mark over whether they could afford to keep him in the Third Division.
(32) The biggest question mark over Major out of the row is how the Government got into this mess in the first place.
(33) The question mark at the end requires a response, helping the offended party to fulfil their scriptural obligation to forgive.
(34) Doubt is a question mark; faith is an exclamation point. The most compelling, believable, realistic stories have included them both. Criss Jami 
(35) The most important question mark, however, remains, as always, uncertainty about the future.
(36) And with a question mark against his judgment in the transfer market.
(37) Another big question mark: How vigorously will the local phone companies defend their turf?
(38) Many of these leave a very big question mark as to their eternal significance.
(39) But there is a serious question mark over whether fundholding at the level of single practices will remain viable.
(40) All the mirrors grew convex, she fingered the globe in its pregnant question mark.
(41) These disparities throw a question mark over the accuracy of social costs data.
(42) Ready for action A big question mark hangs over the wisdom of visiting any Arab state at present, writes Mike Harper.
(43) The query information returned includes the leading question mark.
(44) A question mark appears beside the mouse pointer.Sentencedict.com
(45) A question mark hangs over many of their futures.
(46) You're just a walking question mark this morning.
(47) His identity is still a question mark to most of us.
(48) Parameter markers, denoted by the question mark character (?), replace hard-coded predicate values to allow for greater flexibility.
(49) There's now a huge question mark hanging over the success of the negotiations.
(50) Using an asterix or a question mark when this option is enabled is only appropriate if they are part of the actual key name.
(51) A sea cucumber, startled by the Alvin, forms a question mark as it hurries away.
(52) Shall we put a comma, a question mark, a semi - colon or a hyphen here?
(53) New URI can include query string section (following question mark) and may direct to any files, script calls, program invocations etc.
(54) If a quest objective has been completed, the number will be replaced with a yellow question mark symbol.
(55) The question mark in the triptych is in the relationship between chance nature and free will.
(56) A kiss can be a comma, a question mark or an exclamation point.
(57) I think it it's just a question mark or a dash.
(58) You can either hard code parameter values as specific data values or use a parameter marker (a question mark '?
(59) We live under the shadow of a gigantic question mark.
(60) If there is a link in an unknown state, there will be a red question mark on the type icon.
More similar words: question, in question, questionnaire, unquestionable, out of the question, beyond question, rhetorical question, sequestration, suggestion, congestion, destination, restitution, investigation, gesticulation, predestination, prestidigitation, constitutional convention, reapportionment, bastion, environmental protection, combustion, gestation, primary election, exhaustion, distinction, restriction, stimulation, institution, restoration, destruction.