chicken heart (noun) cold feet: loss of nerve preventing completion of an action
Sinonime: a priori, as a matter of course,
assertive,
authoritarian,
authoritative,
axiomatic, by fiat, by natural law, by nature, canonical, categorical, deducible, deductive, derivable, doctrinaire, doctrinal,
eternal, excathedra,
formal,
imperative,
inevitable, on faith, oracular,
orthodox,
peremptory,
positive,
pragmatic,
prophetic, reasoned,
systematic,
theoretical, unchangeable, unerring, unqualified
Antonime: ambiguous,
doubtful,
dubious,
equivocal, fluctuating,
indecisive, not positive,
uncertain,
vacillating