Definition of "full-blown"

Solicitor—for just before leaving London I got word that my examination was successful; and I am now a full-blown solicitor!

1897, Bram Stoker, chapter II, in Dracula, New York, N.Y.: Modern Library, pages 16–17

The Little Ice Age that chilled Europe […] should, according to past precedents, have snowballed into a full-blown ice age.

2012, Lydia Pyne, Stephen J. Pyne, The Last Lost World, Penguin

“Fanny has been cutting roses, has she?” “Yes, and I am afraid they will be the last this year. Poor thing! She found it hot enough; but they were so full-blown that one could not wait.”

1814 July, [Jane Austen], chapter VII, in Mansfield Park: […], volumes (please specify |volume=I to III), London: […] T[homas] Egerton, […]

Above, Jupiter hung like a full-blown jonquil, so bright as almost to throw a shade.

1891, Thomas Hardy, chapter L, in Tess of the d’Urbervilles: A Pure Woman Faithfully Presented […], volumes (please specify |volume=I to III), London: James R[ipley] Osgood, McIlvaine and Co., […]

What made the flower open? What made it grow from a tiny bud to a full-blown bloom? Why was it at all? Why was he?

1916, Edgar Rice Burroughs, “The God of Tarzan”, in Jungle Tales of Tarzan‎