“Adjectives not susceptible to modifiers are: certain, complete, devoid, empty, entire, essential, everlasting, excellent, external, fatal, final, fundamental, harmless, ideal, immaculate, immortal, impossible, incessant, indestructible, infinite, invaluable, invulnerable, main, omnipotent, perfect, principal, pure, round, simultaneous, square, ultimate, unanimous, unendurable, unique, unspeakable, untouchable, whole, worthless.”
