COETANEOUS Antonyms

• so extremely old as seeming to belong to an earlier period

• (digital communication) pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are derived from special characters in the data stream itself

• not synchronous; not occurring or existing at the same time or having the same period or phase

• having come to an end or become void after passage of a period of time

• (used especially of persons) having lived for a relatively long time or attained a specific age

• of long duration; not new

• past times

• of a very early stage in development

• (used for emphasis) very familiar

• skilled through long experience

• belonging to some prior time

• excellent

• just preceding something else in time or order

• old; no longer valid or fashionable

• earlier than the present time; no longer current

• the time that has elapsed

• a earlier period in someone's life (especially one that they have reason to keep secret)

• a verb tense that expresses actions or states in the past

• so as to pass a given point

• of a person who has held and relinquished a position or office