From Old English formest, fyrmest ("earliest, first, most prominent"), from Proto-Germanic *frumistaz, from the locative stem *fur-, *fr- + the superlative suffix *-umistaz, stem ultimately from Proto-Indo-European *pr-.

Cognate with ofs formest, Gothic 𐍆𐍂𐌿𐌼𐌹𐍃𐍄𐍃. See for, first and Old English fruma for more. Partially cognate to primus, from Proto-Indo-European *pr- + Latin superlative suffix -imus, from Proto-Indo-European *-mHo-.

A comparative former was back-formed analogically, leaving the m from *-umô in place.

• (RP) IPA: /ˈfɔː.məʊst/

foremost (not comparable)

1. Positioned in front of (all) others in space, most forward.

   Synonyms: front, frontmost

   Antonyms: back, backmost, hindmost, rear, rearmost

   • 1567, Ovid, “The Seconde Booke ↗”, in Arthur Golding, transl., The XV. Bookes of P. Ouidius Naso, Entytuled Metamorphosis, […], London: […] Willyam Seres […], →OCLC ↗:

     She prankes not by hir mistresse side, she preases not to bée / The foremost of the companie, as when she erst was frée.

   • 1896, H[erbert] G[eorge] Wells, “Chapter 12 ↗”, in The Island of Doctor Moreau (Heinemann’s Colonial Library of Popular Fiction; 52), London: William Heinemann, →OCLC ↗; republished as The Island of Doctor Moreau: A Possibility, New York, N.Y.: Stone & Kimball, 1896, →OCLC ↗:

     As I plunged into the reeds, my foremost pursuers emerged from the gap.

   • 2015, John Irving, chapter 7, in Avenue of Mysteries‎, London: Doubleday, page 70:

     Juan Diego hadn’t noticed the other people in the temple, except for what appeared to be two mourners; they knelt in the foremost pew.

2. Coming before (all) others in time.

   Synonyms: first

   • 1769, Oliver Goldsmith, The Roman History, London: S. Baker and G. Leigh et al., Volume 1, Chapter 16, p. 254,

     He was the best horseman, and the swiftest runner of his time. He was ever the foremost to engage, and the last to retreat;

   • a. 1891, Herman Melville, Billy Budd, in The Shorter Novels of Herman Melville, New York: Fawcett Premier, 1956, Chapter 17, p. 244,

     a bright young schoolmate of his whom he had seen struck by much the same startling impotence in the act of eagerly rising in the class to be foremost in response to a testing question put to it by the master

3. Of the highest rank or position; of the greatest importance; of the highest priority.

   Synonyms: greatest, leading, paramount, primary, principal, top

   The exhibition features works by the country’s foremost artists.

   Foremost among the workers’ grievances was the company’s failure to address the many safety issues in the plant.

   • 1599 (first performance), William Shakespeare, “The Tragedie of Iulius Cæsar”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act IV, scene iii]:

     What, shall one of us / That struck the foremost man of all this world / But for supporting robbers, shall we now / Contaminate our fingers with base bribes,

   • 1759, George Colman, The Rolliad, Canto 1, in Prose on Several Occasions: Accompanied with Some Pieces in Verse, London: T. Cadel, 1787, Volume 2, p. 292,

     And have I then so oft, enrag’d she cried, / My longing soul its foremost wish denied?

   • 1846, Frederick Douglass, Reception Speech at Finsbury Chapel, Moorfields, England, May 12, 1846, in My Bondage and My Freedom, New York: Miller, Orton & Mulligan, 1855, Appendix, pp. 410-411,

     Of all things that have been said of slavery to which exception has been taken by slaveholders, this, the charge of cruelty, stands foremost, and yet there is no charge capable of clearer demonstration, than that of the most barbarous inhumanity on the part of the slaveholders toward their slaves.

   • 1993, Vikram Seth, A Suitable Boy, New Delhi: Penguin India, 1994, Section 9.13, p. 580,

     She was thinking of other matters. What was foremost on her mind was Haresh’s panama hat, which (though he had doffed it) she thought exceptionally stupid.

4. (nautical) Closest to the bow.

   Antonyms: aftermost

• Russian: носовой

foremost (not comparable)

1. In front, prominently forward.
   • 1820, John Keats, “Lamia (poem),” Part 1, in Lamia, Isabella, The Eve of St. Agnes, and Other Poems, London: Taylor and Hessey, p. 15,

     She saw the young Corinthian Lycius / Charioting foremost in the envious race,

   • 1946, Mervyn Peake, Titus Groan‎, Penguin, published 1981, page 137:

     […] what haunts the heart will, when it is found, leap foremost, blinding the eye and leaving the main of Life in darkness.

2. First in time.
   • c. 1618, Philip Massinger, Thomas Middleton and William Rowley, The Old Law, London: Edward Archer, 1656, Act III, Scene 1, p. 41,

     Alwayes the worst goes foremost, so twill prove I hope

   • 1791, William Cowper, transl., The Iliad of Homer‎, London: J. Johnson, Book 11, lines 946-947, p. 299:

     Our thirst, at length, and hunger both sufficed, / I, foremost speaking, ask’d you to the wars

3. Most importantly.

   Synonyms: especially, particularly

   • 1838 March – 1839 October, Charles Dickens, chapter 51, in The Life and Adventures of Nicholas Nickleby, London: Chapman and Hall, […], published 1839, →OCLC ↗, page 597 ↗:

     […] Mrs. Nickleby, with the utmost sincerity, gave vent to her sorrows after her own peculiar fashion of considering herself foremost,

1. A village in Alberta, Canada.