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lay (one) low
To render someone unable to move or leave their bed. The car accident laid her low for a couple of months. My husband won't be able to come in to work today—he's been laid low by the flu.
1. To be, make oneself, or remain hidden or inconspicuous; to avoid being found, detected, or scrutinized by others. (A common erroneous variation of the grammatically correct "lie low.") I'm sorry I haven't been around to see you lately, but with the police investigating the company I thought it would be better to lay low for a while. Jim and Colby are laying low with the goods. Once the heat from the cops eases up, they'll send the stuff over to us.
2. By extension, to keep to oneself; to avoid interactions with others. I think I'm just going to lay low at home this weekend—I don't really feel like going out at all.
1. To keep oneself or one's plans hidden.
2. To bide one's time but remain ready for action.
3. To cause to be dead or unable to get up from a lying position: How many soldiers were laid low in that battle? The flu has laid low thousands.