Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class IV. Words Relating to the Intellectual FacultiesDivision (II) Communication of Ideas
Section I. Nature of Ideas Communicated
520. [Having a Double Sense.] Equivocalness.
NOUN:EQUIVOCALNESS &c. adj.; equivocation; double meaning [See Meaning]; ambiguity, double entente [F., often erron. double-entendre], pun, paragram [rare], calembour [F.], quibble, equivoque or equivoke, anagram; conundrum (riddle) [See Secret]; word play (wit) [See Wit]; homonym, homonymy; amphiboly, amphibologism, amphilogism or amphilogy [rare], anagrammatism, ambilogy, ambiloquy [obs.].Sphinx, Delphic oracle.
EQUIVOCATION (duplicity) [See Falsehood]; white lie, mental reservation (concealment) [See Concealment]; paltering.
VERB:EQUIVOCATE (palter) [See Falsehood]; anagrammatize; be equivocal &c. adj.; have two meanings [See Meaning].
ADJECTIVE:EQUIVOCAL, ambiguous, amphibolous [obs.], doubtful, amphibolic, ambiloquent [obs.], ambiloquous, homonymic, homonymous; double-tongued (lying) [See Falsehood]; enigmatical, indeterminate.