Pronunciation: /həˈleɪʃəs/
adjective extremely difficult, bad, or unpleasant
A1 The roller coaster was hellacious, but I loved every second of it.
A2 The traffic on the highway was hellacious, causing delays for hours.
B1 The storm last night was hellacious, with strong winds and heavy rain.
B2 The competition was hellacious, but I managed to come out on top.
C1 The negotiations were hellacious, lasting for days with no resolution in sight.
C2 The workload at my new job is hellacious, but I'm determined to succeed.
formal The project faced a hellacious amount of setbacks due to unforeseen circumstances.
informal I had a hellacious time trying to find parking at the mall on a Saturday.
slang That roller coaster ride was absolutely hellacious!
figurative Dealing with her constant complaints is like going through a hellacious storm every day.
hellaciated
hellaciouses
more hellacious
most hellacious
hellaciates
will hellaciate
has/have hellaciated
is/are hellaciating
hellacious
hellacious
to hellaciate
hellaciating
hellaciated