IPA: /ˈpɪtʃɪər/
KK: /ˈpɪtʃiər/
Having a quality that is more like pitch, which is a thick, sticky substance; often used to describe something that is darker or more intense in color or sound.
The singer's voice was pitchier than usual during the high notes of the song.
Comparative: pitchier
Superlative: pitchiest
The word 'pitchier' is derived from 'pitch' (from Old English *pic*, meaning a sticky substance) and the suffix '-ier' (meaning one who or that which). Thus, 'pitchier' refers to something that is more like pitch, or stickier in nature.
Think of 'pitch' as a sticky substance, and remember that 'pitchier' means something that is stickier or more like pitch.