bottle up

1. Consciously restrain from showing;
   Of emotions, desires, impulses, or behavior (synset 202428558)
   "suppress a smile"; "he let his anger bottle up until he exploded"
   subtypes:

   • dampen, stifle - suppress or constrain so as to lessen in intensity
   • muffle, repress, smother, stifle, strangle - suppress in order to conceal or hide
   • choke - check or slow down the action or effect of
   same as: inhibit, suppress

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