Definition of obsolete:
Noachian, dated, mossy, obsolescent, moth-eaten, study at old, out, archaic, on the shelf, old-fashioned, neolithic, superseded, in mothballs, old-time, prehistoric, démodé, out-of-date, new, used, ancient, fossilized, rare, old, low-tech, outdated, outmoded, passé, demoded, disused, medieval, kaput, Stone Age, primitive, old-world, noncurrent, antiquated, outworn, superannuated, moribund.
The right to dismiss a ministry, although unquestionably within the legal prerogative of the Crown, seems to be regarded as one of those powers which the close responsibility of the cabinet to the House of Commons has practically made obsolete.- "The Government of England (Vol. I)", A. Lawrence Lowell.
- "The Myxomycetes of the Miami Valley, Ohio", A. P. Morgan.
- "A Cursory History of Swearing", Julian Sharman.