When you ruminate, it means you are thinking very deeply about something. You're likely to be so lost in thought that you stare off into space and don't hear people when they call your name.

Another meaning of ruminate is to "chew the cud," which can mean "to turn it over and over in your mind." Or, if you're a cow, to turn food over and over in your stomachs in order to digest it. Whether you're a human or a cow, if you ruminate, it will take a LONG time.

Definitions of ruminate

v reflect deeply on a subject

chew over, contemplate, excogitate, meditate, mull, mull over, muse, ponder, reflect, speculate, think over
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think or reflect beforehand or in advance
theologise, theologize
make theoretical speculations about theology or discuss theological subjects
reflect on one's own thoughts and feelings
consider or ponder something carefully
consider carefully and deeply; reflect upon; turn over in one's mind
question, wonder
place in doubt or express doubtful speculation
be uncertain about; think about without fully understanding or being able to decide
consider, study
give careful consideration to
factor, factor in, factor out
consider as relevant when making a decision
compare, equate, liken
consider or describe as similar, equal, or analogous
have doubts about
Type of:
cerebrate, cogitate, think
use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments

v chew the cuds

“cows ruminate
Type of:
take in solid food

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