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obstinate

/ˈɑb.stə.nət/

Unreasonably stubborn or unwilling to change

From Latin ob (before) + Latin stinare (to stand firmly).

adjective
ob
Latin
AI-inferred
ob
“before,” “against,” or “in the way of”; a prefix marking opposition or position
stinare
Proto-Indo-European
Verified
*ste-no-
reconstructed
“to stand, make or be firm”

from PIE *ste-no-

Latin
AI-inferred
stare
“to stand”; the related verbal base behind stinare
Latin
AI-inferred
stinare
“to persist, stand stubbornly, set one’s mind on”
Combined
obstinō / obstinātus
Latin ob- combined with stinō to express standing firmly in one’s chosen position; obstinātus was its past participle.
Latin
Verified
obstinātus
“resolute, determined, inflexible, stubborn”

from Latin obstinatus "resolute, resolved, determined, inflexible, stubborn," past participle of obstinare "persist,...

+1 more source
Middle English
Verified
obstinat(e)
“obstinate, stubborn”; inherited from Latin through French-mediated English vocabulary

from Latin obstinatus "resolute, resolved, determined, inflexible, stubborn," past participle of obstinare "persist,...

+1 more source
Modern English
Verified
obstinate
Stubbornly adhering to an opinion, purpose, or course

from Middle English obstinat(e) (“obstinate, stubborn”)

Modern English
obstinate

Picture a Roman who has planted his sandals in the road and refuses to budge: that is the image at the heart of obstinate. Latin obstinō meant “to persist” or “set one’s mind firmly,” built around the notion of standing—related to stare, “to stand,” and ultimately the reconstructed PIE root *sta-, the ancestor of stand, stance, status, and stable. The prefix ob- added the sense of positioning oneself before or against something, so an obstinate person was not merely steady but deliberately standing in the way. By the late 14th century, English had obstinat(e), while the related musical term ostinato preserved the idea of a stubbornly repeated pattern. A person can therefore be obstinate, while a melody can be ostinato: both keep standing their ground, even when everyone else—or the music—has moved on.

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