IPA: /ˈpɪtʃɪli/
KK: /ˈpɪtʃɪli/
In a manner that is sharp or high in tone, often referring to sound.
The singer hit the high notes pitchily, impressing the audience with her vocal range.
Pitchily → The word is derived from "pitch" (from Old English *pic*, meaning a sticky substance) and the suffix "-ily" (meaning in a manner). Thus, "pitchily" describes something done in a manner that is sticky or resembles pitch.
Think of the word 'pitch' which refers to a sticky substance, and remember that 'pitchily' means doing something in a sticky way.