sempiternal
adjective. eternal
- abiding
- ageless
- always
- amaranthine
- boundless
- ceaseless
- constant
- continual
- continued
- continuous
- dateless
- deathless
- enduring
- everlasting
- forever
- illimitable
- immemorial
- immortal
- immutable
- imperishable
- incessant
- indefinite
- indestructible
- infinite
- interminable
- lasting
- never-ending
- perdurable
- perennial
- permanent
- perpetual
- persistent
- relentless
- termless
- timeless
- unbroken
- unceasing
- undying
- unending
- unfading
- uninterrupted
- unremitting
- without end
solid
adjective. continuous, complete
sustained
adjective. maintained
undivided
adjective. whole
- absorbed
- circumspect
- collective
- combined
- complete
- concentrated
- concerted
- continued
- deliberate
- detailed
- diligent
- engrossed
- entire
- exclusive
- fast
- fixed
- full
- intense
- intent
- joined
- lock stock and barrel
- minute
- rigid
- scrupulous
- single
- solid
- steady
- thorough
- unanimous
- unbroken
- uncut
- undistracted
- unflagging
- united
- unswerving
- vigilant
- wholehearted
untiring
adjective. determined, persevering
- constant
- continued
- continuing
- dedicated
- devoted
- dogged
- eager beaver
- fireball
- firm
- go-go
- grind
- hyper
- incessant
- indefatigable
- indomitable
- inexhaustible
- jumping
- patient
- perky
- persistent
- pertinacious
- plodding
- plugging
- resolute
- staunch
- steady
- strong
- tenacious
- tireless
- unceasing
- undeterred
- unfailing
- unfaltering
- unflagging
- unflinching
- unremitting
- unstinted
- unswerving
- unwavering
- unwearied
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.