modified
Antonyms
timely applies to that which happens or is done at an appropriate time, esp. at such a time as to be of help or service a timely interruption; opportune refers to that which is so timed, often as if by accident, as to meet exactly the needs of the occasion the opportune arrival of a supply train; seasonable applies literally to that which is suited to the season of the year or, figuratively, to the moment or occasion seasonable weather
See timely in Webster's New World Roget's A-Z Thesaurus II
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