1. Free of ice and open to travel
   "an ice-free channel in the river"

See also: unfrozen

• hairpiece
• hairpin
• hairpin bend
• hairsbreadth
• hairsplitter
• hairsplitting
• hairspring
• hairstreak
• hairstreak butterfly
• hairstyle
• hairstylist
• hairtail
• hairweaving
• hairy
• hairy darling pea
• hairy finger grass
• hairy golden aster
• hairy honeysuckle
• hairy lip fern
• hairy root
• hairy spurge
• hairy tare
• hairy tongue
• hairy vetch
• hairy willowherb