inexorable
adjective. cruel, pitiless
- adamant
- adamantine
- bound
- bound and determined
- compulsory
- dead set on
- dogged
- hard
- harsh
- hell bent on
- immobile
- immovable
- implacable
- ineluctable
- inescapable
- inflexible
- ironclad
- like death and taxes
- locked in
- mean business
- merciless
- necessary
- no going back
- obdurate
- obstinate
- relentless
- remorseless
- resolute
- rigid
- set in stone
- severe
- single-minded
- stubborn
- unappeasable
- unbending
- uncompromising
- unmovable
- unrelenting
- unyielding
inflexible
adjective. stubborn
- adamant
- adamantine
- determined
- dogged
- dyed-in-the-wool
- firm
- fixed
- hard
- hard-and-fast
- immovable
- immutable
- implacable
- indomitable
- inexorable
- intractable
- iron
- obdurate
- obstinate
- relentless
- resolute
- rigid
- rigorous
- set
- set in one's ways
- single-minded
- stand one's ground
- staunch
- steadfast
- steely
- stiff
- strict
- stringent
- unadaptable
- unbending
- unchangeable
- uncompliant
- uncompromising
- unrelenting
- unswayable
- unyielding
insistent
adjective. demanding
more constant
adjective. loyal, determined
obdurate
adjective. pigheaded, stubborn
- adamant
- bullhead
- callous
- cold fish
- dogged
- firm
- fixed
- hanging tough
- hard
- hard-boiled
- hard-hearted
- hard-nosed
- harsh
- heartless
- immovable
- implacable
- indurate
- inexorable
- inflexible
- iron
- mean
- mulish
- obstinate
- perverse
- relentless
- rigid
- set in stone
- stiff-necked
- thick-skinned
- tough
- tough nut to crack
- unbending
- uncompassionate
- uncompromising
- uncooperative
- unemotional
- unfeeling
- unimpressible
- unrelenting
- unshakable
- unsympathetic
- unyielding
obsessed
adjective. consumed, driven about belief, desire
- bedeviled
- beset
- bewitched
- captivated
- controlled
- dogged
- dominated
- eat sleep and breathe
- engrossed
- fiendish
- fixated
- gripped
- harassed
- haunted
- have on the brain
- held
- hooked
- hung up on
- immersed in
- infatuated
- into
- overpowered
- plagued
- possessed
- preoccupied
- prepossessed
- really into
- seized
- taken over
- tied up
- tormented
- troubled
- turned on
- up to here in
- wound up with
- wrapped up in
obstinate
adjective. stubborn, determined
- adamant
- cantankerous
- contradictory
- contrary
- contumacious
- convinced
- dead set on
- dogged
- dogmatic
- firm
- hard
- hardened
- headstrong
- heady
- immovable
- indomitable
- inflexible
- intractable
- intransigent
- locked in
- mulish
- obdurate
- opinionated
- opinionative
- persistent
- pertinacious
- perverse
- pigheaded
- recalcitrant
- refractory
- relentless
- resolved
- restive
- self-willed
- steadfast
- strong-minded
- tenacious
- unalterable
- unflinching
- unmanageable
- unyielding
- willful
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.