Origin: Latin suffix -ous
Ambagious has 2 different meanings across 1 category:
roundabout and unnecessarily wordy
"had a preference for circumlocutious (or circumlocutory) rather than forthright expression"
"A periphrastic study in a worn-out poetical fashion,/ Leaving one still with the intolerable wrestle/ With words and meanings."
Roundabout; vague.