Tony Pulis admitted Albion had put on their worst away display in their 1-0 defeat to Newcastle in his time in charge.
The Baggies were second best on a disappointing 90 minutes in the North East.
Albion's head-coach again watched as the Baggies drew a blank in front of goal having failed to have a shot on target - for the third time in four matches.
Pulis said the performance was not good enough and sympathised with Albion's travelling fans.
"I've been with the club for over a year and that's the most disappointing away performance we've had.
"We shadow boxed for 90-odd minutes. Newcastle was just better all over the pitch.
"It's a disappointing result for us.
"Today I totally understand their (fans') frustrations.
"They've seen us score two goals in games at Chelsea and Liverpool but today we were just not good enough.
"It's very disappointing."
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Read more at http://www.wba.co.uk/news/article/wba-albion-newcastle-fans-2942056.aspx#ZQIdupOWV22GpTKA.99