Ominous (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ominous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sinister that I've seen before include "Eerie, alarming" , "Threatening - ominous" , "Threatening evil on the heraldic left" , "Suggestive of evil, to the left in heraldry" , "Very unpleasant" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ominous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for alarming that I've seen before include "Dreadful" , "Marginal (anag)" , "Worrying or disturbing" , "Scary, frightening" , "Frightening in marginal way" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ominous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for fateful that I've seen before include "Prophetic - portentous" , "Decisive" , "Ominous" , "Dire in its implications" , "critical" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ominous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for portentous that I've seen before include "Of ominous meaning" , "Of great significance" .)