fairweather

noun

1. Mount, a mountain in SE Alaska. 15,292 feet (4660 meters).

adjective

1. used in or intended for fair weather only.
2. weakening or failing in time of trouble: His fair-weather friends left him when he lost his money.

noun

1. Mount Fairweather a mountain in W North America, on the border between Alaska and British Columbia. Height: 4663 m (15 300 ft)

adjective

1. suitable for use in fair weather only
2. not reliable or present in situations of hardship or difficulty (esp in the phrase fair-weather friend)