少しも~ない
Not even a little
You'll be able to stress that there is not the slightest amount of something.

芽衣は少しも怖くありません。
mei wa sukoshi mo kowaku arimasen.
What do you think this sentence means?
Mei is not scared at all.
Emphasize not even a little
少しも~ない means not the slightest amount or not at all. 少し sets a tiny amount that the negative predicate denies.
この荷物は少しも重くないです。
kono nimotsu wa sukoshi mo omokunai desu.
This luggage is not heavy at all.
Form and use 少しも~ない
Use a negative form even though 少し alone means a little. This can sound emphatic. 少しだけ instead allows a small positive amount.
この荷物は少しも重くないです。
kono nimotsu wa sukoshi mo omokunai desu.
This luggage is not heavy at all.
少しも疲れていません。
sukoshi mo tsukarete imasen.
I am not tired in the slightest.
心配していた試験は、少しも難しくなかったです。
shinpai shite ita shiken wa, sukoshi mo muzukashiku nakatta desu.
The exam I'd been worried about wasn't the least bit difficult.
長い旅行でしたが、祖母は少しも疲れた顔をしませんでした。
nagai ryokou deshita ga, sobo wa sukoshi mo tsukareta kao o shimasen deshita.
It was a long trip, but my grandmother didn't look the least bit tired.
この部屋はエアコンが壊れているので、少しも涼しくないです。
kono heya wa eakon ga kowarete iru node, sukoshi mo suzushiku nai desu.
The air conditioner in this room is broken, so it isn't the least bit cool.
7 more examples in the grammar path — free for a limited time.