| ABC | ATP-binding cassette |
| AHL | Acyl-homoserine lactone |
| AME | Aminoglycoside-modifying enzymes |
| AMR | Antimicrobial resistance |
| BLIC | β-lactamase inhibitor combination |
| BSI | Bloodstream infection |
| CLSI | Clinical and Laboratory Standards Institute |
| CNS | Central nervous system |
| CR | Carbapenem-resistant |
| CU | Chaperone–usher |
| ECDC | European Centre for Disease Prevention and Control |
| EPS | Extracellular polymeric substance |
| ESBL | Extended-spectrum β-lactamase |
| ESCMID | European Society of Clinical Microbiology and Infectious Diseases |
| EUCAST | European Committee on Antimicrobial Susceptibility Testing |
| FDA | Food and Drug Administration |
| HAI | Healthcare-associated infection |
| ICU | Intensive care unit |
| LPS | Lipopolysaccharide |
| MALDI-TOF MS | Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry |
| MATE | Multidrug and toxic compound extrusion |
| MBL | Metallo-β-lactamase |
| MDR | Multidrug resistant |
| MFS | Major facilitator superfamily |
| MIC | Minimum inhibitory concentration |
| MLST | Multilocus sequence typing |
| NICU | Neonatal intensive care units |
| OMP | Outer membrane protein |
| PAS | Phage–antibiotic synergy |
| PDR | Pan-drug-resistant |
| PFGE | Pulsed-field gel electrophoresis |
| PK/PD | Pharmacokinetic/pharmacodynamic |
| QRDR | Quinolone resistance-determining region |
| QS | Quorum sensing |
| RND | Resistance–nodulation–division |
| SMR | Small multidrug resistance |
| SNP | Single-nucleotide polymorphism |
| SSI | Surgical site infections |
| T10SS | The type X secretion system |
| T1SS | The type I secretion system |
| T2SS | The type II secretion system |
| T3SS | The type III secretion system |
| T5SS | The type V secretion system |
| T6SS | The type VI secretion system |
| T8SS | The type VIII secretion system |
| US | United States |
| UTI | Urinary tract infection |
| WGS | Whole-genome sequencing |
| XDR | Extensively drug resistant |