The Collaborative International Dictionary
Amphibological
Amphibological \Am*phib`o*log"ic*al\
([a^]m*f[i^]b`[-o]*l[o^]j"[i^]*kal), a.
Of doubtful meaning; ambiguous. ``Amphibological
expressions.''
--Jer. Taylor.
[1913 Webster] -- Am*phib`o*log"ic*al*ly, adv.
Wiktionary
amphibological
a. 1 (context rare English) of doubtful meaning, ambiguous, quibbling. 2 (lb en linguistics) Grammatically ambiguous.