TTFD Views 6 meanings found TTFD is employed in both commemorative and emergency contexts, such as a phrase honoring the deceased and the name of a township fire department, alongside technical device designations. Miscellaneous To the Faithful Departed Tilted Terminated Folded Dipole Tactical Timed Firing Device Governmental Thorncreek Township Fire Department Academic & Science Thiamine TetraHydrofurfuryl Disulfide Business Tactical Timed Firing Device (Stratom TM)