Thesaurus.com Dictionary.com

modifying

ADJECTIVE

adaptive

Synonyms

STRONGEST

flexible

WEAK

robust

ADJECTIVE

changing

Synonyms

STRONGEST

changeable developing dynamic growing uncertain unstable

STRONG

altering alternating wavering

WEAK

inconstant irresolute mobile unsteady

Antonyms

STRONGEST

certain stable steady sure

WEAK

fixed unchanging

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.