English Reference
adjective · adverb

sickly

adj. · adv.
US /ˈsɪkɫi/ UK /sˈɪkli/ sick·ly UK spelling sicklied, sicklies, sicklying

  1. 01 B2 Upper Intermediate

    adj.often getting sick or having a weak body.

    adj.frequently ill or habitually in poor health; possessing a weak constitution.

    Simple

    He was a sickly child who spent most of his winters indoors.

    In context

    The biographer noted that the poet had been a sickly youth, a factor that likely contributed to his introspective nature.

    weaklyfrailinfirm
  2. 02 B2 Upper Intermediate

    adj.looking pale or unhealthy in a way that suggests illness.

    adj.appearing ill, infirm, or unhealthy; having a complexion or appearance suggestive of disease.

    Simple

    The hospital lights gave everyone a sickly yellow look.

    In context

    After weeks of working underground, the miners emerged with a sickly pallor that shocked their families.

    palewansallow
  3. 03 C1 Advanced Literary

    adj.weak and not bright, or not growing well.

    adj.lacking intensity, vigour, or healthy development; often applied to light or vegetation.

    Simple

    A few sickly plants struggled to grow in the dark corner of the garden.

    In context

    The moon cast a sickly light over the ruins, barely illuminating the path ahead.

  4. 04 C2 Proficiency Literary

    adv.in a way that shows someone is sick or not healthy.

    adv.in a manner indicative of illness or poor health.

    Simple

    He smiled sickly at the doctor, trying to look better than he felt.

    In context

    The engine sputtered sickly before finally dying in the middle of the desert road.


Etymology 1

From Middle English seekly, sekely, siklich, sekeliche, equivalent to sick + -ly. Possibly a modification of Old English sīcle (“sickly”) and/or derived from Old Norse sjúkligr (“sickly”). Cognate with Dutch ziekelijk, Middle High German siechlich, Danish sygelig, Swedish sjuklig, Icelandic sjúklegur. The verb is from the adjective.

Etymology 2

From sick + -ly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin non sjúkligr
Level B2 · Upper Intermediate
Frequency Occasional
Updated