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brood over

To worry anxiously or be despondent about something or someone, especially at great length and in isolation. I know you're upset about failing your exam, but don't brood over it all weekend. Tom's been brooding over our financial situation ever since he got laid off last month.
See also: brood, over

brood about (someone or something)

To worry, fret, or obsess over someone or something. Quit brooding about that fight you had with your girlfriend and just talk to her already! Recent financial losses have the boss brooding about the future of our small company.
See also: brood

brood about someone or something

 and brood on someone or something; brood over someone or something
to fret or be depressed about someone or something. Please don't brood about Albert. He is no good for you. There's no need to brood on Jeff. He can take care of himself.
See also: brood
References in periodicals archive ?
An article by Olle Wadstrom that presents the scientific base for "Quit Ruminating and Brooding" is available online at
The present study was conducted to evaluate the growth performance of 3 commercial broiler strains (Hubbard classic, Ross-308 and Cobb-500) maintained under 4 brooding systems (FH, gas brooder, conventional electric bulb brooder and diesel brooder) in environmental control house.
The odds ratio estimate for this attribute was 1.027 (95% CI = 1.004, 1.051); thus, the odds of a crevice used for brooding increases by a factor of 1.027 as the height above the ground increases by 1 cm.
Equipment checkAfter confirming that the equipment capabilities meet the number of chicks to be placed, install the necessary brooding equipment and check that they are functional.
Analysis of As (III) bio-accumulation in our recent study revealed adverse effects on the health conditions of birds since it results in decreased body weight, decreased feed consumption, decreased feed conversion, higher mortality rate and lowered core internal body temperature within first 14 days of brooding period [19].
Secondary goals were to determine if there was a difference in brooding by site and time and to describe temporal change in larval development.
As far as we are aware, these are the first confirmed records of double brooding in Arctic populations of Northern Wheatears or in any other Arctic-breeding passerines, with the possible exception of rare and geographically marginal cases in the Common Redpoll.
They found that the specific dinosaur species would have laid its eggs vertically and only the egg bottoms would have been buried in mud, suggesting that they hatched in a similar manner to brooding birds.
So the researchers counted and measured the pores in the shells of Troodon eggs to assess how water vapour would have been conducted through the shell compared with eggs from contemporary crocodiles, mound-nesting birds and brooding birds.
In an interview, Mr Brown is asked whether he understands why - thick-set, black hair, brooding - some women say he reminds them of Heathcliff ?
, Stein said either laughing or brooding. The body is a breeze and
Underwater surveys and catch data were used to estimate the duration of the reproductive season, female spawning frequency, male brooding frequency, and batch fecundity.
Only two bantam hens had survived brooding and the predators.
If we cannot manage the mental aspect of our game, we will find ourselves in a constant state of mental and physical exhaustion -- brooding, sulking, prisoners of our emotion, unable to recognize possibilities and workable situations.