unconvincing excuses.    From Wordnet, Princeton University. 

Yes, it would be narcissistic, it would be Kate-bashing, it would contain unconvincing pleas of victimhood.    From Wordnik.com.  ['Kate Plus Eight': What will Jon Gosselin do now? | EW.com] Reference

"You are now claimimg that the data that tells us that the RNA World is at the core of life as we know it in unconvincing?".    From Wordnik.com.  [The Memory Hole] Reference

Sorry – but this is unconvincing from a moral or strategic point of view.).    From Wordnik.com.  [Matthew Yglesias » Goldfarb Endorses Terrorist Ethics] Reference

The Democratic Alliance said on Monday Omar was "unconvincing" in trying to deal with increased road deaths.    From Wordnik.com.  [ANC Daily News Briefing] Reference

Mr. Xu also derided BHP Billiton's rationale for the merger as "unconvincing," the Shanghai Securities News said.    From Wordnik.com.  [Shanghai Baosteel's Chairman] Reference

BBC dismissed Led Zeppelin as 'unconvincing': archives.    From Wordnik.com.  [WN.com - Articles related to Jonathan Ross angers BBC bosses after slamming television schedule] Reference

Judge finds Poyrazköy suspect's accounts 'unconvincing'.    From Wordnik.com.  [Inform - Politics] Reference

The barber-hero-villain himself is the most "unconvincing" of barbers.    From Wordnik.com.  [A History of the French Novel, Vol. 2 To the Close of the 19th Century] Reference

The rationale for Singapore Exchange's bid for ASX is "unconvincing,".    From Wordnik.com.  [BusinessWeek.com -- Top News] Reference

The rationale for Singapore Exchange's bid for ASX is "unconvincing," Anand.    From Wordnik.com.  [BusinessWeek.com -- Top News] Reference

As far as the article being "unconvincing", I suggest you read it a bit differently.    From Wordnik.com.  [Baseball Analysts] Reference

The coroner, John Pollard, said Miss Ford was "unconvincing" in response to his questions.    From Wordnik.com.  [Signs of the Times] Reference

"unconvincing" style of his speech became more of the focus than the substance.    From Wordnik.com. Reference

They came off as "unconvincing" during their appearance on the Today Show, in which they denied that they were "crashers" ( "Erroneous!.    From Wordnik.com.  [Av Sinensky: Did The White House Crashers Follow The Rules Of Wedding Crashers?] Reference

Colin Powell's evidence was flimsy and unconvincing.    From Wordnik.com.  [Mail Call: Show Us The Proof] Reference

In an unconvincing way I told myself this was nonsense.    From Wordnik.com.  ['Brother Bosch', an Airman's Escape from Germany] Reference

I find these all of the above explanations unconvincing.    From Wordnik.com.  [Douglas LaBier: Our So-Called "Midlife" -- Why Happiness and Depression Both Appear to Increase] Reference

Offers yet another unconvincing reason for war: Mideast peace.    From Wordnik.com.  [Conventional Wisdom: United Nations Edition] Reference

As a financial document, however, Clinton's plan is unconvincing.    From Wordnik.com.  ['A Walk In Space'] Reference

So far his success has been at best intermittent and unconvincing.    From Wordnik.com.  [Four-goal England still a world away as they show familiar failings] Reference

But an unconvincing message would be worse than no message at all.    From Wordnik.com.  [Planet of the Damned] Reference

To most of his own people, Gorbachev is now an unconvincing leader.    From Wordnik.com.  [Why He's Failing] Reference

He presented an unconvincing identity card in the name of Khurram Khan.    From Wordnik.com.  [Cracking The Conspiracy] Reference

 A bout of alligator tears and an unconvincing embrace was all it took.    From Wordnik.com.  [Poor, Dead Hamilton] Reference

But the words, meant to be firm and sincere, come out weak and unconvincing.    From Wordnik.com.  [Torn] Reference

And this assumption of "direction" is unconvincing, if not suicidal in character.    From Wordnik.com.  [Theism or Atheism The Great Alternative] Reference

Olson is unconvincing when she says September 11 is the reason she now fears a trial.    From Wordnik.com.  [The Waning Of 'Terror Chic'] Reference

Such would be an academic exercise, or a technically correct but unconvincing ballad.    From Wordnik.com.  [Spirit and Music] Reference

The blanket assertion that government should be run more like a business is frequently unconvincing.    From Wordnik.com.  [Mickey’s Management Mojo] Reference

I had thought I was the only reader in the world who found the book's voice completely unconvincing.    From Wordnik.com.  [Lev Raphael: The Guy Who Was Glad to Hear Somebody Read Enough of Stieg Larsson] Reference

The Clinton administration -- and the U.S. military -- shrugged all this off as unconvincing propaganda.    From Wordnik.com.  [How Saddam Won This Round] Reference

But this version of Chandran is unconvincing: a man to whom the world happens, trying to change the world.    From Wordnik.com.  [SNAP JUDGEMENT: BOOKS] Reference

Sarkozy sounded equally unconvincing when he pressured the European Central Bank to weaken the euro to spur exports.    From Wordnik.com.  [The Grande Plan] Reference

Gore is similarly unconvincing in his latest incarnation as populist defender of "the people" against "the powerful.".    From Wordnik.com.  [Politics In A Macaroni Era] Reference

As expected, President Paul Kagame has just won another seven years in power (to add to the last 15) with an unconvincing 93% of the vote.    From Wordnik.com.  [Lars Waldorf: Rwanda's Renaissance Goes off the Rails] Reference