The use of "Indulge" without "with"

[Tom]

Hi

Could you please tell me if we can use "indulge" without "the"?

[Mister Micawber]

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Yes, indeed:

–verb (used without object)
1. to yield to an inclination or desire; allow oneself to follow one's will (often fol. by in): Dessert came, but I didn't indulge. They indulged in unbelievable shopping sprees.
–verb (used with object)
2. to yield to, satisfy, or gratify (desires, feelings, etc.): to indulge one's appetite for sweets.
3. to yield to the wishes or whims of; be lenient or permissive with: to indulge a child.
4. to allow (oneself) to follow one's will (usually fol. by in): to indulge oneself in reckless spending.
5. Commerce. to grant an extension of time, for payment or performance, to (a person, company, etc.) or on (a bill, note, etc.).

(Courtesy of Dictionary.com)
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Native English teacher at Mister Micawber's