| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | previous in time or order |
| Synonyms: | above, aforementioned, aforesaid, ancient, antecedent, anterior, bygone, departed, earlier, erstwhile, ex-, first, foregoing, late, long ago, long gone, of yore, old, once, one-time, past, preceding, prior, quondam, sometime, whilom |
| Notes: | latter means referring to the second of two things or persons mentioned; former means referring to the first of two things or persons mentioned |
| Antonyms: | after, current, ensuing, following, future, present, prospective, subsequent, succeeding |
| Main Entry: | older |
| Part of Speech: | adjective |
| Definition: | most senior |
| Synonyms: | earlier, elder, eldest, first, first-born, former, lower, of a former period, of an earlier time, preceding, prior, senior |
| Notes: | elder is used when precedence with respect to birth order is the point; older is used when the point is seniority with respect to age |
| Antonyms: | younger |
| Main Entry: | past |
| Part of Speech: | adjective |
| Definition: | olden, former |
| Synonyms: | ages ago, ancient, ancient history, back when, behind one, bygone, bypast, down memory lane, earlier, early, erstwhile, ex-, foregoing, gone-by, good old days, late, latter, latter-day, long-ago, old, olden days, once, one-time, over, preceding, previous, prior, quondam, recent, retired, sometime, time was, way back, way back when |
| Antonyms: | current, future, present |
| Main Entry: | preliminary |
| Part of Speech: | adjective |
| Definition: | introductory, initial |
| Synonyms: | basic, elemental, elementary, exploratory, first, fundamental, inductive, initiatory, opening, pilot, preceding, precursory, prefatory, preparatory, preparing, primal, primary, prior, qualifying, readying, test, trial |
| Antonyms: | closing, concluding, final |
| Main Entry: | previous |
| Part of Speech: | adjective |
| Definition: | former, prior |
| Synonyms: | antecedent, anterior, earlier, erstwhile, ex, foregoing, one-time, past, precedent, preceding, quondam, sometime |
| Notes: | preceding means 'occurring immediately before the time of the utterance,' while previous means 'occurring at some time before the utterance' |
| Antonyms: | current, future, later, present |
| Main Entry: | prior |
| Part of Speech: | adjective |
| Definition: | earlier |
| Synonyms: | above-mentioned, aforementioned, ahead, antecedent, anterior, before, foregoing, former, forward, past, precedent, preceding, preexistent, preexisting, previous |
| Antonyms: | after, later |
| Main Entry: | aforesaid |
| Part of Speech: | adjective |
| Definition: | said earlier |
| Synonyms: | mentioned earlier, preceding, previous, spoken of earlier |
| Main Entry: | earlier |
| Part of Speech: | adjective |
| Definition: | former |
| Synonyms: | preceding, previous, prior |
| Main Entry: | quondam |
| Part of Speech: | adjective |
| Definition: | former |
| Synonyms: | bygone, erstwhile, onetime, past, preceding, sometime |