sustained

equivalents

continuous

uninterrupted

synonyms

abiding

based on

bolstered

borne

braced

buttressed

ceaseless

changeless

chattering

constant

constant

continual

continued

continued

continuing

continuous

durable

enduring

even

firm

fixed

founded on

frozen

grounded on

guyed

held

immobile

immutable

incessant

indefatigable

intact

interminable

inviolate

lasting

level

machine gun

maintained

oscillating

perennial

permanent

perpetual

persistent

prolonged

propped

pulsating

quiescent

rapid

regular

remaining

repeated

rhymes

Refrained

abstained

arraigned

ascertained

attained

brained

campaigned

caned

chained

complained

constrained

contained

craned

deigned

detained

disdained

drained

entertained

explained

feigned

gained

grained

ingrained

maintained

maned

obtained

ordained

pained

pertained

planed

preordained

rained

refrained

regained

reigned

reined

remained

restrained

retained

retrained

self-contained

sprained

stained

strained

trained

unconstrained

unexplained

unrestrained

unstained

untrained