Examples:

• When I saw the damage after the storm, words failed me.
• Words fail me when I try to describe the beauty of the sunset.
• After hearing her story, words fail me.
• His generosity was so immense that words failed me.
• When I heard the tragic news, words failed me.
• Words fail me to express my gratitude for your help.
• Seeing the dedication of the volunteers, words fail me.
• Words fail me when I think about the sacrifices made by our soldiers.
• The devastation of the wildfire left me in a state where words failed me.
• Words fail me when I try to describe my feelings for you.
• When I opened the letter and saw the offer, words failed me.
• Her performance was so stunning that words failed me.
• The kindness shown by the strangers was so touching that words failed me.
• Words fail me to convey the sorrow I feel for your loss.
• Seeing the baby's first steps, words failed me.
• Mr President, words fail me in the face of the tragedy that has befallen children and adults in Ossetia, but words must be found.
• Mr President, I must say that words fail me - and that is something that does not, I think, happen to me very often.
• Words fail me in condemning the onslaught on innocent civilians.
• Words fail me to explain the difficulty of life in Gaza.