at a loss
• puzzled or uncertain what to think, say, or do.
• "she became popular, and was at a loss to know why"
Similar:
baffled,
nonplussed,
mystified,
stumped,
stuck,
puzzled,
perplexed,
bewildered,
bemused,
uncomprehending,
(all) at sea,
at sixes and sevens,
at one's wits' end,
without ideas,
confused,
dumbfounded,
blank,
clueless,
flummoxed,
bamboozled,
discombobulated,
fazed,
floored,
beaten,
• making less money than is spent buying, operating, or producing something.
• "a railway running at a loss"
