roller-coasterish
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Unpredictably changing between high and low points
Nghĩa · Tiếng Việt
thay đổi không thể đoán trước giữa cao và thấp
Machine-translated — suggest a fix
Literally: like a roller coaster
Where it’s used:
Used
Widespread English
Examples
Her relationship has been quite roller-coasterish lately
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.
Common questions
What does “roller-coasterish” mean?
Unpredictably changing between high and low points Literally: like a roller coaster
Is “roller-coasterish” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.