{# Single source of truth for the GA4 page_type dimension. Must stay ABOVE extra_head: synonymguide configures gtag inside that block and reads this global, while syllablesworld configures it at the end of . #}

Synonyms for

Alkaline

Adjective / ˈælkʌˌlaɪn / Another word for alkaline — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

having a pH greater than 7, able to neutralize acids

Synonyms & similar words

amphoteric alkalic basic alkalescent antacid antalkaline antimonious bicarbonate carbonate hydrous hydrated magnesian magnesic neutralizing sodic sodium soaplike soapy subalkaline subbasic subneutral subneutralizing

Synonyms by register

Formal

basic caustic alkalescent

Informal

soapy slippery

Antonyms

acidic sour tart corrosive pungent bitter

Common collocations

  • alkaline solution
  • alkaline earth
  • alkaline phosphatase
  • alkaline battery
  • alkaline soil
  • alkaline water
  • alkaline tide

Word family

noun alkali
adjective alkaline
adverb alkalinely

Usage note

Primarily used in chemistry and biology to describe substances with a pH greater than 7. Avoid using informally for tastes unless specifically referring to a chemical property.

Compare "alkaline" with another word →

Example sentences

  1. The water in the lake is alkaline, which means it is not safe to drink.
  2. The baker used baking soda, which is alkaline, to make the cake rise.
  3. The alkaline battery lasted longer than the regular battery.
  4. The soil in this area is too alkaline for most plants to grow.
  5. The alkaline water helped to soothe my upset stomach.

Quotes

  • Life isn't always alkaline, but sometimes it's acidic.
  • The alkaline earth metals, because of their high reactivity, are not found in nature in their elemental form.
  • The alkaline diet may not be for everyone, but it works for me.

Try these popular words

the and that for you with was this are have not from

Practice

Play the Word Synonyms game · Choose level (start near 1)

Worksheets

Grade 4 · Grade 5 · Grade 6

Topics

Guides

Explore more words