Definitions in relation to their use in these kangaroo words, taken from Google Dictionary, and edited for formatting.
Kangaroo word: female
Joey word: male
female (adjective): of or denoting the sex that can bear offspring or produce eggs, distinguished biologically by the production of gametes which can be fertilized by male gametes.
male (adjective): of or denoting the sex that produces small, typically motile gametes, especially spermatozoa, with which a female may be fertilized or inseminated to produce offspring.
The letters M, A, L, and E found within the anti-kangaroo word “female” arrange in the listed order to complete the joey word “male”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share an opposite meaning: feminine vs. masculine.