From Longman Dictionary of Contemporary Englishest.est.1 START something/MAKE something STARTthe written abbreviation of established H. Perkins and Company, est. 18692 GUESSthe written abbreviation of estimated-est-est /ɪst/ suffix SLGforms the superlative of many short adjectives and adverbs cold, colder, coldest early, earlier, earliest → -er1From Longman Business DictionaryEst.Est. (also est.) written abbreviation for ESTABLISHED, used to say when a company was first formedMulligan’s Fabrics, Est. 1936ESTEST noun [uncountable] Eastern Standard Time; the time used in the eastern USOrigin -est Old English -est, -ost
