Antonyms of adj unlatched

1 sense of unlatched

Sense 1
unbarred, unbolted, unlatched, unlocked, unsecured -- (not firmly fastened or secured; "an unbarred door"; "went through the unlatched gate into the street"; "an unlocked room")

INDIRECT (VIA unfastened) -> fastened -- (firmly closed or secured; "found the gate fastened"; "a fastened seatbelt")

Similarity of adj unlatched

1 sense of unlatched

Sense 1
unbarred, unbolted, unlatched, unlocked, unsecured -- (not firmly fastened or secured; "an unbarred door"; "went through the unlatched gate into the street"; "an unlocked room")
       => unfastened (vs. fastened) -- (not closed or secured; "the car door was unfastened"; "unfastened seatbelts")