The right criticism of Labour's manifesto is not the normal one of an opposition's plans: that they are too visionary, too vague or too expensive.

ECONOMIST: Clue: not John Major

Questions sometimes are vague or use too narrowly defined terms, and interrogators frequently ask compound or inarticulate questions and fail to follow up imprecise answers.

CNN

Some intelligence experts who had questioned previous orange alerts, suspecting them of being politically motivated or complaining that they were too vague to be useful, this time praised Mr Ridge for providing detailed warnings about specific targets.

ECONOMIST: America and Britain on guard | The

Analysts say the measurements used to gauge the benchmarks a simple satisfactory or unsatisfactory grade are too vague.

NPR: White House Releases Iraq Report

Too many write rather vague complaints, without proper example, or promote Netflix with rather biased opinions.

FORBES: Netflix's Lousy Selection of Movies