underactivity
|un-der-ac-tiv-i-ty|
C1
/ˌʌndərækˈtɪvɪti/
less than normal activity
Etymology
Etymology Information
'underactivity' originates from the prefix 'under-' meaning 'below' or 'less than' and the word 'activity' from Latin 'activitas', where 'act-' meant 'to do'.
Historical Evolution
'underactivity' was formed by combining 'under-' with 'activity' in modern English.
Meaning Changes
Initially, it meant 'less than normal activity', and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a state or condition of being less active than normal.
The underactivity of the thyroid gland can lead to weight gain.
Synonyms
Antonyms
Last updated: 2025/07/14 06:15