Verb change

Plain form
flutter

Third-person singular
flutters

Past tense
fluttered

Past participle
fluttered

Present participle
fluttering

  1. The present participle of flutter.

Adjective change

Positive
fluttering

Comparative
none

Superlative
none

  1. quickly moving up and down or side to side
    My fluttering heart caused me to gasp aloud.
    The fluttering leaves made an eerie sound in the night.