* Limped: This is the past tense of the verb "to limp," meaning to walk with difficulty due to an injury.
* Lumped: This is the past tense of the verb "to lump," meaning to group things together.
* Lipped: This is the past tense of the verb "to lip," meaning to touch or kiss lightly with the lips.
To determine the correct spelling, consider the context in which the word was used.