thermal

adjective/ˈθɜrməl/

Frequency rank: #4,031 of 20,003 in the WORDED list (wordfreq data)

Meaning

relating to heat, or designed to retain body heat.

Illustration for the English word “thermal”

Example sentence

The hikers wore thermal underwear to stay warm during the cold mountain trek.

Synonyms & related words

More words in ranks 4,001–4,100