He had roller-coasterish mood swings and would disappear for a few days at a time, isolating himself, feeling suicidal.
Source: wiktionary
Roller-coasterish
Synonyms for "roller-coasterish"
Ranked by relevance and common usage.
Sample sentences
3 total sentences available.
Also, the age at which people first get married has had a roller-coasterish ride over the past 100 years or so.
Source: wiktionary
The road starts out somewhat roller-coasterish from frost heaves, […]
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.