schwa or shwa /shwä or shvä/ (phonetics)

1. An indistinct vowel sound
2. A neutral vowel (ə). Cf sheva

• hardhack
• hardhacks
• hard-handed
• hard hat
• hard hats
• hardhead
• hard-headed
• hardheads
• hard-hearted
• hard-heartedly
• hard-heartedness
• hard hit
• hard-hit
• hard-hitting
• hard house
• hardier
• hardiest
• hardihead
• hardiheads
• hardihood
• hardihoods
• hardily
• hardiment
• hardiments
• hardiness