uncertain Antonyms - page 2

sodding single-minded sheer settled set self-reliant proven writ large organizational provably unattackable confirmed unswerving non-poisonous nett concretize hardheaded unmodifiable fail-safe watertight policyholder rainproof unhazardous unfaltering undisputed unchallengeable tangibly sure-fire stormproof sonorously slit trench safety catch riskless redetermination unassailable crystal clear unchangeable unchanging unyielding unambiguous unhesitating windtight well-set veritable verifiable unquestionable unmistakable unfailing unqualified right-down