After months of exposure to the pollutant, the community's immune systems were oversensitized, reacting strongly to normally harmless substances.

Her oversensitivity to criticism made it difficult for her to accept even the mildest suggestions.

Her oversensitivities made team meetings difficult, as she reacted strongly to even the mildest criticism.

He tends to take criticism oversensitively, turning small suggestions into personal attacks.

Her oversensitiveness made it difficult for her to accept constructive criticism at work.

She became oversensitive after the meeting, interpreting every comment as a personal attack.