In physical chemistry, to move hither and thither in every direction: said of the molecules of a liquid or of the molecules of two miscible liquids in contact with each other.To ramble with out, or as if without, any certain course or object in view; travel or move from place to place; range about; roam; rove; stroll; stray.To leave home or a settled place of abode; depart; migrate.To depart from any settled course; go astray, as from the paths of duty; stray; de viate; err.To lose one's way; be lost.To think or speak incoherently; rave; be de lirious.Synonyms 1-3. Roam, Rove, etc. (see ramble), straggle.Swerve, digress.To travel over without a cer tain course; stroll through; traverse.To lead astray; cause to lose the way or become lost.