unfazed

• unphased (proscribed)

un- +‎ fazed

unfazed (comparative more unfazed, superlative most unfazed)

1. Not frightened or hesitant; undaunted; not put off.
   • 1885 November 9, “They Talk About It”, in St. Paul Daily Globe‎, St. Paul, MN, page 5:

     Say, but isn't Annie Watson a dandy witness? She testified as straight as a book. And she stood a hot cross-examination unphased.

   • 1889 March 11, “Social and Personal”, in Washington Critic‎, Washington, DC, page 2:

     The Johnnie O'Briens and the Barney O'Rourkes were there, too, apparently unfazed by the magnificence of the surroundings.

   • 2005, Sean Dooley, The Big Twitch, Sydney: Allen and Unwin, page 131:

     Stu couldn't believe I was so unfazed by the whole incident, though inwardly I resolved that I wouldn't let this bastard have the last laugh.

   After stumbling and landing on her face, the toddler picked herself up and continued unfazed.

2. (archaic) Undamaged
   • 1855 December 1, T. B. Thorpe, “Remembrances of the Mississippi”, in Harper's New Monthly Magazine‎, volume xii, number lxvii, New York, NY, page 35:

     The tall man throughout was "unphased" -- the dewy and least compact one surrendered!

   • 1874, Moses Adams, What I Did With My Fifty Millions‎, Philadelphia: J. B. Lippincott & Co., page 106:

     Being a lad of a little upwards of a century, and maintaining, as all widowers do, that I was unfazed by time ...

   • 1876 January 18, “Local News”, in State Journal‎, Jefferson City, MO, page 3:

     He next, while the flame continued to heat the chimney to the utmost, dashed upon it a dipper of water, and still the chimney was unfazed

• fazed

• faze