Definition of retardnext

Synonym Chooser

How is the word retard distinct from other similar verbs?

Some common synonyms of retard are delay, detain, slacken, and slow. While all these words mean "to cause to be late or behind in movement or progress," retard suggests reduction of speed without actual stopping.

language barriers retarded their progress

When can delay be used instead of retard?

The meanings of delay and retard largely overlap; however, delay implies a holding back, usually by interference, from completion or arrival.

bad weather delayed our arrival

When might detain be a better fit than retard?

The words detain and retard can be used in similar contexts, but detain implies a holding back beyond a reasonable or appointed time.

unexpected business had detained her

When could slacken be used to replace retard?

While in some cases nearly identical to retard, slacken suggests an easing up or relaxing of power or effort.

on hot days runners slacken their pace

How do slow and slacken relate to one another, in the sense of retard?

Both slow and slacken also imply a reduction of speed, slow often suggesting deliberate intention.

medication slowed the patient's heart rate

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of retard But that approach is rather slow to respond and is limited to applying retarding force. IEEE Spectrum, 26 June 2018
Recent Examples of Synonyms for retard
Verb
  • Somebody on the vendor side said that if American companies slow down here, somebody else wins.
    Jason Snyder, Forbes.com, 8 Aug. 2026
  • Oznur Bell One of the journey’s guides, who was operating the vessel, spotted the hippo and slowed the boat in an attempt not to disturb it, Oznur said.
    Dennis Romero, NBC news, 8 Aug. 2026
Verb
  • Still, everything happened so fast that police could not find skid marks indicating that Lopez braked hard to avoid her.
    Ariane Lange, Sacbee.com, 6 Aug. 2026
  • The car’s precise steering and remarkable braking system deliver a thrilling driving experience.
    Jerry Perez, The Drive, 6 Aug. 2026

Browse Nearby Words

Cite this Entry

“Retard.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/retard. Accessed 12 Aug. 2026.

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