1. (adjective) lacking natural ease

• labored
• laboured

2. (adjective) lacking spontaneity; not natural

• constrained
• forced

3. (adjective) struggling for effect

• agonistic

1. (adjective) lacking natural ease

• awkward

2. (adjective) showing signs of mental and emotional tension

• tense

3. (adjective) lacking spontaneity; not natural

• affected
• unnatural

4. (adjective) struggling for effect

• affected
• unnatural