Chatouillement vs. fourmillement vs. picotement

The French words 'chatouillement', 'fourmillement', and 'picotement' all describe various sensations on the skin or body, but they have distinct meanings and uses.

Chatouillement

'Chatouillement' refers to the sensation of tickling or a light, pleasant itching feeling.
Les plumes lui provoquaient un chatouillement agréable sur la peau.
(The feathers caused a pleasant tickling sensation on his skin.)
Le chatouillement de l'herbe sous ses pieds nus le faisait rire.
(The tickling of the grass under his bare feet made him laugh.)

Fourmillement

'Fourmillement' describes a tingling or pins-and-needles sensation, often associated with numbness or reduced blood flow.
Après être resté assis trop longtemps, il ressentait un fourmillement dans ses jambes.
(After sitting for too long, he felt a tingling sensation in his legs.)
Le fourmillement dans ses doigts était un signe que sa main s'était endormie.
(The tingling in his fingers was a sign that his hand had fallen asleep.)

Picotement

'Picotement' refers to a prickling or stinging sensation, often sharper and more localized than 'fourmillement'.
Le savon dans ses yeux lui causait un picotement désagréable.
(The soap in his eyes caused an unpleasant stinging sensation.)
Elle ressentait un picotement sur sa peau après avoir touché une ortie.
(She felt a prickling sensation on her skin after touching a nettle.)

Summary

While 'chatouillement' describes a tickling or light itching, 'fourmillement' refers to a tingling or pins-and-needles feeling, and 'picotement' indicates a more sharp, prickling or stinging sensation. These words help French speakers articulate different types of physical sensations with precision.