
Abysmal
Negative Connotation
The word 'abysmal' suggests a very strong level of disapproval or disappointment regarding quality.

His manners were abysmal, far beyond what we could overlook.
Intensity Amplifier
Use 'abysmal' to emphasize the severity of a situation or the extent of poor quality.

The conditions in the refugee camp were abysmal, much worse than reported.
Not for Slight Dislikes
'Abysmal' is reserved for extreme cases and shouldn't be used for mild dissatisfaction.

It would be an overstatement to call a mildly unpleasant meal 'abysmal'.
Compare with
AppalDeplorableDreadfulMiserablePitifulTerribleWoefulWretch
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