scab

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. An [[incrustation]] over a sore, wound, vesicle, or pustule, formed during healing.
2. {{lb|en|colloquial|or|obsolete}} The [[scabies]].
3. The [[mange]], especially when it appears on [[sheep]].
4. {{lb|en|uncountable}} Any of several different [[disease]]s of [[potato]]es producing pits and other damage on their surface, caused by [[streptomyces]] bacteria (but formerly believed to be caused by a fungus).
5. [[common scab|Common scab]], a relatively harmless variety of '''scab''' (potato disease) caused by {{taxlink|Streptomyces scabies|species}}.
6. {{lb|en|plant disease}} Any one of various more or less destructive [[fungus|fungal]] [[disease]]s that attack cultivated plants, forming dark-colored crustlike spots.
7. {{lb|en|founding}} A slight [[irregular]] [[protuberance]] which defaces the surface of a casting, caused by the breaking away of a part of the [[mold]].
8. A mean, dirty, [[paltry]] fellow.
9. {{senseid|en|picket crosser}} {{lb|en|derogatory|slang}} A worker who acts against [[trade union]] policies; any [[picket#Noun|picket]] crosser ([[strikebreaker]]), and especially one with devotion to {{w|union busting}}.

Verb

1. {{lb|en|intransitive}} To become covered by a scab or scabs.
2. {{lb|en|intransitive}} To form into scabs and be shed, as damaged or diseased skin.
3. {{lb|en|transitive}} To remove part of a surface (from).
4. {{lb|en|intransitive}} To act as a strikebreaker.
5. {{lb|en|transitive|UK|Australia|NZ|informal}} To [[beg]] (for), to [[cadge]] or [[bum]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.