- investigation
- nounADJECTIVE▪ careful, close, detailed▪ extensive▪
The authorities conducted an extensive investigation into his tax affairs.
▪ full, in-depth, thorough▪ preliminary▪After conducting preliminary investigations, government lawyers will set out areas of concern.
▪ ongoing▪The ongoing investigation has led to numerous intelligence leads.
▪ criminal, homicide (AmE), murder, police▪ congressional, federal, government▪ internal▪The board of directors commissioned its own internal investigation.
▪ independent▪ empirical, scientificVERB + INVESTIGATION▪ carry out, conduct, pursue, undertake▪Police are still pursuing their investigations.
▪ initiate, launch, order▪ call for, demand▪He called for investigation into the hospital's management.
▪ head, lead, oversee▪ complete▪ deserve, merit, require, warrant▪These claims certainly warrant further investigation.
▪ impede, obstruct▪He was on trial for allegedly obstructing an investigation into the bank's dealings.
INVESTIGATION + VERB▪ demonstrate sth, reveal sth, show sth, uncover sth▪Closer investigation showed a flaw in this theory.
▪ conclude, show, suggest▪An official investigation concluded that 9 000 people were killed or went missing during that period.
PREPOSITION▪ on investigation▪On investigation, the noise turned out to be only a door banging.
▪ under investigation▪The singer is currently under investigation for possessing illegal drugs.
▪ investigation into▪Police have launched an investigation into the allegations.
PHRASES▪ the subject of an investigation▪The matter is the subject of a police investigation, and we cannot comment.
Collocations dictionary. 2013.