1 [reporting verb] ask for information from someone: [no object]:he enquired about cottages for sale [with clause]:I enquired where he lived [with direct speech]:‘How well do you know Berlin?’ he enquired of Hencke
[no object] (enquire after) ask about the health and well-being of (someone):Angus enquired after her parents
[no object] (enquire for) ask to see or speak to (someone):that was Mr Paul enquiring for you—I told him he couldn’t come in
2 [no object] (enquire into) investigate; look into:the task of political sociology is to enquire into the causes of political events