IPA: /ˈpɛski/
KK: /ˈpɛski/
The most annoying or troublesome; causing irritation or discomfort.
The peskiest insects seem to appear every summer, buzzing around our picnic.
Comparative: peskier
Superlative: peskiest
Peskiest → It is formed from 'pesky' (originating from the dialectal 'pesky', meaning troublesome or annoying) and the suffix '-est' (indicating the superlative degree). The word 'peskiest' means the most troublesome or annoying.
Think of 'pesky' as something that is troublesome, and when you add '-est', it means it's the most troublesome of all.