ill effect
Negative health outcome
An ill effect is a harmful or negative consequence of something: The medication had no ill effects.
The phrase appears most often in the negative—describing what damage didn't occur or what harm was avoided.
She worked through the night with no ill effects the next day.
Indirect result of action
- falloutPost-blast atmospheric particles
- aftermathResults following an event
- ramificationSecondary consequence of action
- blowbackUnintended negative consequences
backlash · collateral damage · byproduct · spillover · unintended consequence · chain reaction
Harm or impairment
- injuryPhysical or psychological harm
- impairmentDiminished function or capacity
- traumaLasting psychological wound
- toxicityCapacity to cause harm
poisoning · deterioration · degradation · contamination · infection · dysfunction · disability · detriment
Pre-vomiting stomach discomfort
- fatigueWeariness from prolonged exertion
- headacheCranial pain
- dizzinessUnsteady, spinning sensation
- malaiseDiffuse, sourceless discomfort
ailment · sickness · affliction · disorder · syndrome · complication · drowsiness · insomnia
Yield unintended consequences
- boomerangSelf-returning thrown weapon
- unforeseenNot predicted or expected
- unexpectedNot anticipated beforehand
- accidentalOccurring by chance
unplanned · unanticipated · miscalculation · oversight · misfire · unpredicted · inadvertent · unlooked-for
repercussion
Indirect result of action
- falloutPost-blast atmospheric particles
- aftermathResults following an event
- ramificationSecondary consequence of action
blowback · backlash · collateral damage · byproduct · spillover · unintended consequence · chain reaction
damage
Harm or impairment
- injuryPhysical or psychological harm
- impairmentDiminished function or capacity
- traumaLasting psychological wound
toxicity · poisoning · deterioration · degradation · contamination · infection · dysfunction · disability · detriment · hazard
nausea
Pre-vomiting stomach discomfort
malaise · ailment · sickness · affliction · disorder · syndrome · complication · drowsiness · insomnia · rash
backfire
Yield unintended consequences
- boomerangSelf-returning thrown weapon
- unforeseenNot predicted or expected
- unexpectedNot anticipated beforehand
accidental · unplanned · unanticipated · miscalculation · oversight · misfire · unpredicted · inadvertent · unlooked-for · hidden cost
ill, effect, ills, effects, effected, effecting, effective, effectively, effectiveness