1
to inquire (about);to enquire;to ask
花子は不信に思って本当かどうか問いただした。
Hanako questioned his sincerity.
2
to interrogate;to question intensely;to grill (someone about something);to ask (someone) to explain
Other forms
問い質す 【といただす】 · 問い正す 【といただす】 (word containing irregular kanji usage) · 問い糾す 【といただす】 (rarely used kanji form) · 問い糺す 【といただす】 (rarely used kanji form)