0 present participle of fuss
1 to give too much attention to small matters that are not important, usually in a way that shows that you are worried and not relaxed:
Wood notes that in addition to crying, infant signaling modalities include other vocalizations such as fussing and facial expressions.
Crying and whining were both considered to be negative vocalizations, as were sighing, fussing and sounds of discomfort.
There was no difference between the groups in the reported amounts of infant fussing and crying during the day or at night-time.
Between 2 and 3 months, fussing and cooing became a new vocalization, "interrupted fussing," characterized by alternations between the two kinds of vocalizations.
The perceived amounts of time the babies spent crying and fussing did not differ between the groups at any age.
But there is more to this story than merely fussing about whether the model's parameters predict the appropriate behavior.
In particular, increased responsiveness to fussing or crying infants lessens the overall amount of infant crying.
We are fussing with all these amendments because we want to introduce something which will work.