Talk to oneself.

synonyms: monologuise, monologuize, soliloquise.

Roget 582: speak of; say, utter, pronounce, deliver, give utterance to; utter forth, pour forth; breathe, let fall, come out with; rap out, blurt out have on one's lips; have at the end of one's tongue, have at the tip of one's tongue.    break silence; open one's lips, open one's mouth; lift one's voice, raise one's voice; give the tongue, wag the tongue; talk, outspeak^†; put in a word or two, hold forth; make a speech, deliver a speech etc. n.; speechify, harangue, declaim, stump, flourish, recite, lecture, sermonize, discourse, be on one's legs; have one's say, say one's say; spout, rant, rave, vent one's fury, vent one's rage; expatiate etc. (speak at length) 573; speak one's mind, go on the stump, take the stump [U.S.].    soliloquize etc. 589; tell etc. (inform) 527; speak to etc. 586; talk together etc. 588.    be eloquent etc. adj.; have a tongue in one's head, have the gift of the gab etc. n.. pass one's lips, escape one's lips; fall from the lips, fall from the mouth.    ... show more

Dutch: alleenspraak houden