noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The condition of being basic. uncountable
2. 2
   The degree to which a substance is basic: its pH level. countable
3. 3
   The number of replaceable hydrogen atoms in a molecule of an acid. countable

Synonyms

All synonyms

alkalinitybasicnessessenceessentialityessentialnessfundamentalness

Antonyms

All antonyms

acidity

Etymology

From basic + -ity.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.