| of old(expression, last, original, primitive, outdated) |
| of yore(expression, last, original, primitive, outdated) |
| onetime(last, original, past, primitive, venerable) |
| opening(noun, adjective, head, beginning, original) |
| opportunely(adverb, time, timely) |
| oversoon(adjective, adverb, wrong, quick, improper) |
| posthaste(rapidly, soon, swiftly, instantly, proximately) |
| precursory(adjective, beginning) |
| preliminary(adjective, beginning, opening, original, first) |
| prompt(adjective, earliness) |
| pronto(adjective, adverb, prompt, quick, timely) |
| quick(adjective, adverb, fast, intelligent, dependable) |
| quickly(adverb, soon, swiftly, snappily) |
| seasonable(adjective, adverb, prompt, quick, dependable) |
| soonly |
| timely manner(adverb, time, timely, opportunely) |
| undeveloped(adjective, simple, basic, fundamental, unsophisticated) |
| with time to spare(expression, adjective, idiom, adverb, time) |
| a bit previous |
| adverb of time(expression, idiom) |