Synonyms
Antonyms
Etymology

1. rationalise

verb. remove irrational quantities from.

Synonyms

  • alter
  • modify
  • change

Antonyms

  • achromatic color
  • colorlessness
  • blacken
  • stay

Etymology

  • -ise (English)
  • -ise (Old French (842-ca. 1400))
  • rational (English)
  • rational (Old French (842-ca. 1400))

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2. rationalise

verb. structure and run according to rational or scientific principles in order to achieve desired results.

Synonyms

  • organize
  • organise

Antonyms

  • disorganize
  • boycott
  • disapproval

Etymology

  • -ise (English)
  • -ise (Old French (842-ca. 1400))
  • rational (English)
  • rational (Old French (842-ca. 1400))

3. rationalise

verb. think rationally; employ logic or reason.

Synonyms

  • rationalize
  • cerebrate
  • think

Antonyms

  • colorless
  • uninterestingness
  • colorful
  • black-and-white

Etymology

  • -ise (English)
  • -ise (Old French (842-ca. 1400))
  • rational (English)
  • rational (Old French (842-ca. 1400))

4. rationalise

verb. weed out unwanted or unnecessary things.

Synonyms

  • rationalize
  • extinguish
  • do away with
  • get rid of
  • eliminate
  • prune

Antonyms

  • blame
  • discolor
  • chromatic color
  • uncolored

Etymology

  • -ise (English)
  • -ise (Old French (842-ca. 1400))
  • rational (English)
  • rational (Old French (842-ca. 1400))

5. rationalise

verb. defend, explain, clear away, or make excuses for by reasoning.

Synonyms

  • justify
  • colour
  • palliate
  • mitigate
  • rationalize
  • support
  • plead
  • fend for
  • extenuate
  • apologise
  • gloss
  • defend
  • color
  • excuse

Antonyms

  • irritate
  • increase
  • forbid
  • disallow

Etymology

  • -ise (English)
  • -ise (Old French (842-ca. 1400))
  • rational (English)
  • rational (Old French (842-ca. 1400))

Sentences with rationalise


1. Verb, base form
They may try to rationalise a small lie here or there.

2. Noun, singular or mass
Many rationalise that because they are 80 or 90 years old, they may not be able to obtain a new mortgage for 30 years.

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