• (RP) IPA: /ˌɪn.təˈpəʊz/
• (GA) IPA: /ˌɪn.tɚˈpoʊz/

interpose (interposes, present participle interposing; past and past participle interposed)

1. (transitive) To insert#Verb|insert something (or oneself) between other things.

   to interpose a screen between the eye and the light

   • c. 1599, William Shakespeare, Julius Caesar, Act II, scene i,

     What watchful cares do interpose themselves

     Betwixt your eyes and night?

   • 1785, William Cowper, The Task, book II, Philadelphia, Pa.: Thomas Dobson, 1787, page 30:

     Lands intersected by a narrow frith

     Abhor each other. Mountains interposed

     Make enemies of nations who had else

     Like kindred drops been mingled into one.

2. (transitive) To interrupt a conversation by introducing a different subject#Noun|subject or making a comment#Noun|comment.
   • 1674, John Milton, Paradise Lost^{[https://en.wikisource.org/wiki/Paradise_Lost_(1674)/Book_XII]}, book XII, lines 1-5:

     smallcaps As one who in his journey bates at Noone,

     Though bent on speed, so her the Archangel paused

     Betwixt the world destroyed and world restored,

     If Adam aught perhaps might interpose;

     Then with transition sweet new Speech resumes.

3. (transitive) To offer (one's help or services).
4. (intransitive) To be inserted between parts or things; to come between.
   • 1782, William Cowper, “Truth”, in Poems, London: J. Johnson:

     Suppose, unlook’d for in a scene so rude,

     Long hid by interposing hill or wood,

     Some mansion neat and elegantly dress’d,

     By some kind hospitable heart possess’d

     Offer him warmth, security and rest;

5. (intransitive) To intervene in a dispute#Noun|dispute, or in a conversation.
   • 1749, Henry Fielding, chapter IX, in The History of Tom Jones, a Foundling. In Six Volumes, volume (please specify ), London: Printed by A[ndrew] Millar, […], OCLC 928184292 ↗, book V:

     {{#if:The doctor now interposed, and prevented the effects of a wrath which was kindling between Jones and Thwackum {{...}|

   • 1814 July, [Jane Austen], chapter VIII, in Mansfield Park: A Novel. In Three Volumes, volume II, London: Printed for T[homas] Egerton, […], OCLC 39810224 ↗, page 170 ↗:

     "My daughters," replied Sir Thomas, gravely interposing, "have their pleasures at Brighton, and I hope are very happy; […] "

• (To insert something (or oneself) between other things) insert
• (To interrupt a conversation by introducing a different subject or making a comment) interrupt

• French: interposer, intercaler
• Portuguese: interpor
• Russian: вставля́ть
• Spanish: interponer, intercalar, mediar

• French: interrompre, couper, casser le fil
• Russian: прерыва́ть
• Spanish: interrumpir

• Russian: вклиниваться

• French: s'interposer, se mêler à, se jeter dans la mêlée, semer la merde (vulgar)
• Spanish: interponerse, meterse en, lanzarse a la pelea